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Math Vidoes

# First grade math

On this page you can see a list of all the skills that children will learn in Mondiso Math - first grade. When students enter Mondiso for the first time they enter the “First Year Bay” – a treasure map with 10 overall missions to solve. Each mission consist of several math exercises and games which are organized into categories. You can mouse over each skill to view more information

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Mission 1 Numbers and Counting

#### 1.1 Meet the Numbers

**Subject**

The numbers 0-9 would love to say hi. Would you like to meet them?

**Description**

The numbers enter, and present themselves one by one (1-9 and then 0), then they jump to their place in the number sequence.

**Objective**

Familiarization with the numbers 0-9 including their names and properties, in addition to their place in the number sequence.

#### 1.2 Put Numbers on the Objects

**Subject**

Attach a number to a bunch of pieces junk.

**Description**

A huge pile of junk is shown, from which the student must "pull" out recognizable objects. A number must then be attached to the object.

**Objective**

The student learns the numbers in relation to objects/everyday things.

#### 1.3 Writing Numbers

**Subject**

Learn to write the numbers.

**Description**

Explanation and demonstration of how to form the characters. The student makes the motion with the mouse. It is also possible to print out the numbers and then try writing them by hand.

**Objective**

In addition to writing the characters on a piece of paper, the student is taught how they are formed. The chosen characters are simple and match printed characters without serifs, which should help the student recognize the characters' shapes. Since a computer mouse does not handle like a pencil, the numbers are large and therefore more targeted at gross motor movements.

#### 1.4 Pedro's Number Boxes

**Subject**

Now you have to stack Pedro's boxes.

**Description**

The numbers 0-9 have landed in random order. Now the student must place the numbers in ascending numeric order.

**Objective**

The student practices their knowledge of the number sequence, thus strengthening their perception of the numbers as ordinal numbers. The focus is mainly on the numbers 0-9.

#### 1.5 Count von Scrap's Objects

**Subject**

Show that you know how to count screws.

**Description**

The student collects objects, and then counts them.

**Objective**

Understand the idea of using a number as the representation of a set.

#### 1.6 Play with the Scale

**Subject**

Here you can try Felicia's scale.

**Description**

The student places a number of dice on the scale, which corresponds to the number on the other side of the scale. The problem is solved correctly, when the scale is in balance.

**Objective**

Working on enumeration and knowledge of numbers.

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Mission 2 Addition 1

#### 2.1 More and More Junk

**Subject**

Learn how to add with von Scrap's junk.

**Description**

In these addition problems, two sets are added to each other. In this sequence, junk is falling down into Manfred's wheelbarrow, which creates an addition problem relating directly to the junk.

**Objective**

The goal is to teach the student to add sets, and to give them an understanding of the operators + and =.

#### 2.2 Hunt for Junk

**Subject**

Drag and add junk!

**Description**

By filling a wheelbarrow with junk, the student learns the connection between filling up something and addition.

**Objective**

The goal is to teach the student to add sets, and to give them an understanding of the operators + and =.

#### 2.3 Addition on the Scale

**Subject**

Create addition problems with the numbers on the scale.

**Description**

Here you create and solve math problems by putting numbers and objects on the scale. Initially, the student is asked to solve problems, but later on they are given greater freedom to experiment.

**Objective**

The student experiments with addition problems, and there is a seamless transition from adding objects to adding numbers.

#### 2.4 Buddies on the Scale

**Subject**

Come use the scale to find number buddies.

**Description**

Here you create and solve math problems by putting numbers and objects on the scale. Initially, the student is asked to solve problems, but later on they are given greater freedom to experiment.

**Objective**

The student experiments with addition problems, and there is a seamless transition from adding objects to adding numbers.

#### 2.5 Monster Race

**Subject**

Try riding Madam Smokey but remember to go in the right direction - the way that shows the correct answer.

**Description**

The student has to go in the right direction, and must use addition in order to do so.

**Objective**

The student practices mental addition.

#### 2.6 Addition with Colors

**Subject**

Add while coloring a picture!

**Description**

The student practices addition with single-digit numbers while coloring the picture of a vessel. Solving the addition problems is a prerequisite for being able to color the picture correctly.

**Objective**

The student learns to add using single-digit numbers.

#### 2.7 Twelve Problems

**Subject**

**Description**

Practicing mental addition.

**Objective**

#### 2.8 Add for 3 Minutes

**Subject**

**Description**

Practicing mental addition.

**Objective**

#### 2.6 Tens Buddies

**Subject**

**Description**

Practicing the filling method as it applies to subtraction.

**Objective**

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Mission 3 Shapes and Reflections

#### 3.1 Figures on the Sky

**Subject**

Go with Carla and Felix to see the constellations.

**Description**

Through Carla's and Felix' conversation about constellations, the shapes rectangle, triangle, and circle are introduced both in name and shape. Comparisons are drawn to everyday figures.

**Objective**

The student gets acquainted with the three geometric figures - rectangle, triangle, and circle.

#### 3.2 Color the Shapes

**Subject**

Come and color some star constellations.

**Description**

Felix and Carla are looking at the starry skies, and the student must find and color the geometric figures that Felix mentions. It progresses from simple regular figures to irregular figures.

**Objective**

The student learns to separate geometric figures from each other. At the same time, their understanding of the individual polygon's properties is broadened beyond a remedial understanding (four sided shapes = squares and rectangles, three sided shapes = equilateral triangles, etc.).

#### 3.3 Sort the Objects

**Subject**

Sort the objects on von Scrap's table.

**Description**

By sorting various everyday objects, the student learns that everyday objects have geometric shapes. Through this exercise, a link is created between geometry and the student's perception of their surroundings.

**Objective**

The student is presented with a number of everyday objects that have various geometric shapes. In addition to learning about geometric shapes by sorting the objects, the student also learns that math is not limited to a dry book in the classroom, but that it exists in the world around them.

#### 3.4 A Nice Picture

**Subject**

Go exploring on Mondiso with a mirror.

**Description**

The student explores a rich picture and creates mirror images. While exploring, the student is encouraged to look for certain objects and has to answer the monster's questions. COLLABORATION: If two students are working together on this problem, the picture can stir lots of relevant conversation. So perhaps it ought to be possible to log in with two users.

**Objective**

The student develops a conceptual vocabulary relating to patterns and symmetry.

#### 3.5 Reflecting on Reflections

**Subject**

Go with Felix and Carla to see mirror images on the sky.

**Description**

Felicia shows Carla how to recognize mirror images. She introduces the axis of symmetry on the starry skies and draws various pictures.

**Objective**

Here the student develops the understanding that an axis of symmetry and symmetry itself is the basis for understanding the phenomenon of reflection. Also includes instructions on how to draw a mirror image.

#### 3.6 Reflections in the Sky

**Subject**

Come draw mirror images on the sky.

**Description**

The student draws mirror images of figures together with Felix.

**Objective**

The student gets acquainted with the three geometric figures - rectangle, triangle, and circle.

#### 3.7 Remember Reflections?

**Subject**

Help with shapes and mirror images.

**Description**

None

**Objective**

None

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Mission 4 Collecting and Sorting

#### 4.1 Chaos in the Fruit Stand

**Subject**

See how sorting things creates order.

**Description**

von Scrap shows Pedro how to sort his pieces of fruit.

**Objective**

The student learns why it may be necessary and useful to create order by collecting and then sorting the objects.

#### 4.2 Sort the Objects

**Subject**

Sort this and that!

**Description**

The student must sort various objects.

**Objective**

#### 4.3 Counting Goods

**Subject**

Find out why tubes are useful when counting goods.

**Description**

von Scrap shows Pedro some glass tubes, which are used for counting goods.

**Objective**

The student learns to build a bar graph and to notice the height of the bars.

#### 4.4 Sorting Pieces of Fruit

**Subject**

Show that you know how to sort pieces of fruit.

**Description**

By sorting pieces of fruit, the student learns that they can sort according to various "keys".

**Objective**

Learn to sort

#### 4.5 Junk in Tubes

**Subject**

Show that you are a shark at reading tubes!

**Description**

The student learns to read tubes through a conversation where they have to choose the correct answer. This exercise is a precursor to understanding the use of diagrams.

**Objective**

None

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Mission 5 Subtraction

#### 5.1 The Junk Thief

**Subject**

Find out why junk is disappearing from von Scrap's cellar.

**Description**

The junk thief has been at it again, and at night the junk is disappearing from the junk cellar. Here subtraction is exemplified when Manfred eats junk.

**Objective**

The student gains an understanding of subtraction through a demonstration of the "filling up" and "subtraction" methods. It is, of course, up to the student (and the teacher through discussion with the student) to find the calculation method that best suits them, but here the student is made aware that there are two ways to figure out a subtraction problem. A third way of thinking about subtraction is to "find the difference", which in mat123 is thought of simply as a linguistic term for both "subtraction" and "filling up".

#### 5.2 Manfred Eats Junk

**Subject**

Manfred eats and has to figure out how much remains.

**Description**

Objects from piles are moved over into Manfred's stomach. The student writes down how many remain.

**Objective**

Understand the phenomenon of subtraction with objects.

#### 5.3 Hunt for Junk

**Subject**

Drag and subtract junk!

**Description**

The student gains an understanding for the connection between removing things and subtraction by moving junk out of the wheelbarrow.

**Objective**

The goal is to teach the student to subtract sets, and to give them an understanding of the operators - and =.

#### 5.4 Scaling the Difference

**Subject**

Create subtraction problems on the scale.

**Description**

Here you create and solve math problems by putting numbers and objects on the scale. Initially the student is asked to solve problems, but later on they are given greater freedom to experiment.

**Objective**

The student experiments with subtraction problems, and there is a seamless transition from subtracting objects to subtracting numbers.

#### 5.5 Monster Race

**Subject**

**Description**

Driving game with mental subtraction problems. Continuous subtraction problems which the student has to figure out in order to go on. Divided into levels.

**Objective**

The student practices mental subtraction.

#### 5.6 Subtraction with Colors

**Subject**

Subtract and color!

**Description**

None

**Objective**

None

#### 5.7 Twelve Problems

**Subject**

**Description**

Exercises in mental subtraction.

**Objective**

#### 5.8 Subtract for 3 Minutes

**Subject**

**Description**

Practicing mental subtraction.

**Objective**

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Mission 6 Tens and Ones

#### 6.1 Ten in Each Bag

**Subject**

Be there, when von Scrap counts his screws in a clever way.

**Description**

von Scrap explains how to distribute ones into groups of ten and how practical this is. He collects screws in bags that correspond to tens, and the excess screws correspond to ones.

**Objective**

The student will achieve an understanding of the place-value system, initially emphasizing ones and tens.

#### 6.2 At the Packing Table

**Subject**

Would you like to collect and count?

**Description**

The student works on grouping into tens and ones. Objects are packed into bags. Bags and ones in boxes. The amount is written on the box in accordance with the place-value system.

**Objective**

Learning to organize into tens and ones and understanding the place-value system.

#### 6.3 Sorting Value

**Subject**

Stack boxes!

**Description**

Boxes with numbers have landed in random order. Now the student must stack the boxes numerically.

**Objective**

The student practices their knowledge of the number sequence, thus strengthening their perception of the numbers as ordinal numbers. Numbers up to 99 are used.

#### 6.4 The Number Sheet

**Subject**

Get wise about number lines and number sheets.

**Description**

von Scrap is out gathering centicubes and he has figured out a way to combine them in a number line. Number lines are then combined into a number sheet.

**Objective**

None

#### 6.5 Addition on the the Number Sheet

**Subject**

Jump and add on the number sheet!

**Description**

The student uses the number sheet to add 2-digit numbers.

**Objective**

The primary goal is not the calculation itself but rather getting an understanding of the decimal system's structure, the numbers relative values, and the concept of ones and tens.

#### 6.6 Fill Out the Number Sheet

**Subject**

Are you good at working with the number sheet?

**Description**

The student fills out fragments and missing numbers in a number sheet.

**Objective**

Understanding the place-value system and grasping the structure of the number sheet.

#### 6.7 Twelve Problems

**Subject**

**Description**

Practicing addition with tens.

**Objective**

#### 6.8 Add for Three Minutes

**Subject**

**Description**

Practicing addition with tens.

**Objective**

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Mission 7 Shopping

#### 7.1 The Price of Junk

**Subject**

Shopping for junk in von Scrap's cellar.

**Description**

In this demo, von Scrap gets a visit from Felix and Pedro, who want to by some junk. Both addition and subtraction is used in connection with their purchases.

**Objective**

The student experiences addition and subtraction in an everyday situation while shopping, and learns the value of money in addition to learning that something is greater (that the purchase price is higher) than something else (the amount in the monster's possession). The number line is used to illustrate the math problems.

#### 7.2 Shopping in the Junk Cellar

**Subject**

Come on down into von Scrap's store.

**Description**

From various price tags, the student figures out what it costs to buy the junk in the cellar.

**Objective**

Learn to add in connection with everyday situations like shopping.

#### 7.3 Odd and Even

**Subject**

Learn the concept of even and odd while shopping at Pedro's fruit stand.

**Description**

Max and Manfred are hungry and they are at Pedro's place to get some fruit. Pedro teaches them about even and odd numbers by dividing the pieces of fruit into piles.

**Objective**

Through the demonstration of a division of objects, the student learns the concepts of "even" and"odd". In addition, a method for recognizing larger even and odd numbers is introduced. The number line is used to illustrate, that every other number on the number line is even.

#### 7.4 Sharing Fruits

**Subject**

Show that you know how to divide up pieces of fruit.

**Description**

A pile is loaded in CLIPDRAW, which has to be divided between two monsters. The student answers multiple choice questions after this division. "Was there an even or an odd number of plums in the pile?"

**Objective**

Learning to divide using piles

#### 7.5 Using the Number Sheet.

**Subject**

Find even and odd numbers on the number sheet!

**Description**

The student must find even and odd numbers on the number sheet.

**Objective**

Practicing recognition of even and odd numbers, solely by looking at the last digit in the number.

#### 7.6 Twelve Problems

**Subject**

**Description**

Practicing the filling method as it applies to subtraction.

**Objective**

#### 7.7 Timed Subtraction

**Subject**

**Description**

Practicing the filling method as it applies to subtraction.

**Objective**

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Mission 8 Addition 2

#### 8.1 Fruit for the Cake

**Subject**

Be there when Ruth teaches Pedro to count his watermelons.

**Description**

Ruth needs a certain number of watermelons for a cake. She teaches Pedro to figure out how many watermelons he has in his three boxes.

**Objective**

The student learns to add three numbers at a time and learns why it is wise to divide a long addition problem in two. Also learns to use the number line.

#### 8.2 Counting Junk

**Subject**

Drag and add junk!

**Description**

By filling a wheelbarrow with junk, the student learns the connection between filling up something and addition.

**Objective**

The goal is to teach the student to add sets, and to give them an understanding of the operators + and =.

#### 8.3 Play with the Sum

**Subject**

Come play with Felicia's scale.

**Description**

The scale is used to solve problems containing three addends. Initially, the student is asked to solve problems, but later on they are given greater freedom to experiment.

**Objective**

Addition with three addends.

#### 8.4 Multi-addition with Colors

**Subject**

Add and color!

**Description**

Adding several numbers, and exercises in large addition.

**Objective**

Exercises in large addition.

#### 8.5 Monster Race

**Subject**

Try riding the CrashCopter but remember to go in the right direction - the direction that shows the correct answer.

**Description**

The student has to go in the right direction, and must use addition in order to do so.

**Objective**

The student practices mental addition.

#### 8.6 Manfred's Record

**Subject**

Manfred tries to beat his junk eating record.

**Description**

Manfred has gathered up junk for von Scrap but he ends up eating it all. Now he has to figure out if he has beat his junk eating record. Addition of large numbers is demonstrated.

**Objective**

Addition with 2-digit numbers with no regrouping. Thus developing an understanding of the ones' and the tens' place. The addition problem is also solved vertically, in order to clarify the ones' and the tens' places.

#### 8.7 Addition on the Pad

**Subject**

Do you know how to write and solve addition problems?

**Description**

By writing and solving vertical math problems on their own, the student learns the advantage to writing math problems using this method.

**Objective**

The student learns to write and solve vertical addition problems. This exercise shows the student that math problems can be written in different ways. The student will see that there is a great advantage to writing addition problems vertically, since the ones' place and the tens' place is clarified.

#### 8.8 Addition on the Pad

**Subject**

Jump your way through addition problems!

**Description**

The student uses the number sheet to add 2-digit numbers.

**Objective**

The primary goal is not the calculation itself, but rather getting an understanding of the decimal system's structure, the numbers relative values, and the concept of ones and tens.

#### 8.9 Addition with Colors

**Subject**

Add and color!

**Description**

Adding several numbers, and exercises in large addition.

**Objective**

Exercises in large addition.

#### 8.10 Twelve Problems

**Subject**

Here you must show that you can solve addition problems.

**Description**

Must write the numbers in addition problems vertically, and then solve the problems.

**Objective**

Addition with 2-digit numbers with no regrouping. By writing and solving vertical math problems, the student learns the advantage to writing math problems using this method.

#### 8.11 Twelve Problems with Three Numbers

**Subject**

**Description**

Exercises in mental addition. Three numbers are added.

**Objective**

#### 8.12 Twelve Problems

**Subject**

**Description**

Exercises in mental addition. Three numbers are added.

**Objective**

#### 8.13 Twelve Problems

**Subject**

**Description**

Addition with two 2-digit numbers with no regrouping.

**Objective**

#### 8.14 Add for 3 Minutes.

**Subject**

**Description**

Addition with two 2-digit numbers with no regrouping.

**Objective**

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Mission 9 Subtraction 2

#### 9.1 Caught in the Act!

**Subject**

See what happens, when Manfred is caught in the act of eating junk...

**Description**

von Scrap catches Manfred in the act of eating junk. He teaches Manfred to calculate how much junk is left.

**Objective**

Demo of subtraction, where one of the numbers is 2-digit, and where the ones on the left are both larger than, and smaller than the ones being subtracted.

#### 9.2 An Appetite for Junk

**Subject**

Are you good at eating junk?

**Description**

The student learns to solve subtraction problems through a conversation where they have to choose the correct answer. If the problems include regrouping, the student can use the following calculation tools: The number line and the pocket calculator.

**Objective**

None

#### 9.3 Hunt for Junk

**Subject**

Drag and subtract junk!

**Description**

The student gains an understanding for the connection between removing things and subtraction by moving junk out of the wheelbarrow.

**Objective**

The goal is to teach the student to subtract sets, and to give them an understanding of the operators - and =.

#### 9.4 Subtraction on the Scale

**Subject**

Create subtraction problems on the scale.

**Description**

The student solves and creates subtraction problems on the scale.

**Objective**

Practicing subtraction with large numbers

#### 9.5 Subtraction with Colors

**Subject**

Subtract and color!

**Description**

Possible dot drawing. Subtraction practice with large numbers.

**Objective**

Subtraction practice with large numbers.

#### 9.6 Monster Race

**Subject**

**Description**

Driving game with mental subtraction problems. Continuous subtraction problems, which the student has to figure out in order to go on. Divided into levels.

**Objective**

The student practices mental subtraction.

#### 9.7 Twelve Problems

**Subject**

**Description**

Small subtraction problems with and without regrouping.

**Objective**

#### 9.8 Subtraction for 3 Minutes

**Subject**

**Description**

Small subtraction problems with and without regrouping.

**Objective**

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Mission 10 Measurement

#### 10.1 Who Fits in the Cockpit?

**Subject**

See how Felicia figures out who there is room for in the CrashCopter.

**Description**

Felicia uses cans of different sizes to measure which monsters there is room for in the CrashCopter's cockpit.

**Objective**

Here it is explained that all objects have a length, which can be measured. Cans are used as a unit of measurement, which exemplifies the fact that there is a need for a standard unit. Understand the concept that all objects have a length, which can be measured.

#### 10.2 Measure Mosters

**Subject**

**Description**

The student uses various objects to measures things and then measures the monsters, in order to figure out which of them fit the measurements.

**Objective**

The student practices measurement using objects and compares their measurements.

#### 10.3 The Bottoms are Measured

**Subject**

Be there when Felicia measures bottoms!

**Description**

Felicia measures the monsters' bottoms using a ruler, in order to figure out how big the seats need to be in her new vessel.

**Objective**

Learns to measure using a ruler and learns about the unit centimeters. Learns why it is advantageous to measure using a standard unit. Through measurement, the student also learns that some things are bigger or smaller than other things. The relationship between centimeters and meters is introduced.

#### 10.4 Measure Using a Ruler.

**Subject**

**Description**

A ruler is used to measure the monsters' various body parts, and the student matches the body part/monster with an object.

**Objective**

Learn to measure using a ruler and understand the concept of cm.

#### 10.5 Go Exploring with Your Ruler

**Subject**

Go exploring on Mondiso with a ruler.

**Description**

The student explores a rich picture with a ruler. Along the way the student is encouraged to measure certain objects and to answer the monster's questions.

**Objective**

#### 10.6 Print and Measure

**Subject**

Now the measurements are performed on a piece of paper.

**Description**

The student prints out a piece of 9X11 paper and performs measurements on the page in order to answer the snail's questions.

**Objective**