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Second grade math

Here is a list of all of the skills that students learn in Mondiso Math - second grade! These skills are organized into missions, and you can click any mission title name to view many more details of the activity.

Mission 1 Calculus

1.1 Greater Than, Less Than, Equal to

Subject

Be there when von Scrap goes completely bonkers with Felicia's scale.


Description

von Scrap uses his scale, which can show if the numbers are equal to, greater than, or less than one another.


Objective

The student learns how numbers can be greater than, less than, and equal to one another.


1.2 Write the Operators

Subject

Learn to write mathematical symbols!


Description

Explanation and animated demonstration of how to form the characters. The student repeats the motion with the mouse. It is 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.


1.3 Subtract on the Number Sheet

Subject

Jump and subtract!


Description

The student uses the number sheet to solve large subtraction problems.


Objective

Understand the system for subtracting 10 on the number sheet, and that mental subtraction is easy.


1.4 Addition

Subject

Come add with large numbers.


Description


Objective

Addition with Two 2-Digit Numbers.


1.5 Monster Race

Subject

Try Shower Growler, but remember to go in the correct direction.


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.


1.6 Addition on the Pad

Subject

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.


1.7 Twelve Problems

Subject


Description

Exercises in addition. Without regrouping.


Objective


1.8 Add for 3 Minutes

Subject


Description

Exercises in mental addition.


Objective


Mission 2 Area and Circumference

2.1 What is an Area?

Subject

There are big holes in Ruth's garden. See how Felix helps her cover up those holes.


Description

Ruth's garden is filled with holes. Felix uses those holes to show Ruth how to count up an area. Garden squares are used to cover certain areas.


Objective

The student learns the concept of area from the number of squares that it takes to cover a plane.


2.2 Measure an Area

Subject


Description

The student guesses and clicks the largest area, measures it. REGULAR GARDENS


Objective

Comprehend the area as a phenomenon and learn how to measure it


2.3 Sorting Areas

Subject

This will be just your thing!


Description

None


Objective

Comprehend the area as a phenomenon and learn how to measure it.


2.4 Around the Circumference

Subject

Be there when Felicia helps Ruth put up a fence around her garden.


Description

Ruth needs to fence in her gardens, so Felicia helps her figure out the circumference of a garden.


Objective

Understand circumference, both as several lengths that are added and as a continuous measurement.


2.5 Measure the Circumference

Subject


Description

The student measures the circumference of various types of geometric shapes. Includes rectangles, planes and circles.


Objective

Understand the difference between circumference and area, learn to measure the circumference of various forms/objects.


2.6 Around the Garden

Subject

Come along and find the circumference.


Description

Ruth has jumbled up the circumference signs.


Objective

Using circumference, understanding the principle.


Mission 3 Large Numbers and Hundreds

3.1 The Hundreds' Place

Subject

Come on down and help von Scrap pack his screws.


Description

von Scrap explains how to distribute tens into groups of 10, and why it is practical to do so. He collects bags that correspond to tens in boxes, and the excess screws correspond to ones.


Objective

The student will learn the place-value system's expansion to include hundreds, emphasizing the exchange of tens for hundreds.


3.2 Hundreds!

Subject

Collect and count!


Description

The student works on grouping into hundreds, 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 see the similarity between a number and its representation.


3.3 Sorting Values

Subject

Help Pedro stack the boxes correctly.


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 999 are used.


3.4 Rounding

Subject

Look, listen, and learn about rounding!


Description

Demo of rounding to the tens' and the hundreds' place


Objective

Learn about rounding to the tens' and the hundreds' place


3.5 Colorful Rounding

Subject

Round to the nearest ten, then color!


Description

Signs with random numbers are rounded to the tens' and the hundreds' place.


Objective

None


3.6 Twelve Problems

Subject


Description

Practicing addition with tens.


Objective


3.7 Twelve Problems

Subject


Description

Rounding and addition with tens.


Objective


Mission 4 Measurement

4.1 Measure with Miletus

Subject

Be there when Miletus tells Manfred about measuring distances.


Description

Demo of various ways to evaluate and measure distances.


Objective

Learn about various ways to evaluate and measure distances.


4.2 Measure the Route

Subject

Measure with Miletus.


Description

The student measures distances with a ruler.


Objective

Learn to evaluate and measure distances


4.3 Measure the Distance

Subject

Measure routes on a grid.


Description

The student measures distances on a grid.


Objective

Exercises in measuring distances.


4.4 Learn to Tell Time

Subject

Now you're going to learn to tell time.


Description

The demo shows how to tell time on a classic clock with hands. It also shows the difference between a clock with hands and a digital clock.


Objective

The student learns to tell time on a clock with hands. The difference between a clock with hands and a digital clock is discussed.


4.5 Wise Up About Telling Time

Subject

Come along under water and show that you can tell time!


Description

LEARN HOW CLOCKS WITH HANDS AND DIGITAL CLOCKS ARE RELATED TO EACH OTHER


Objective

None


Mission 5 Patterns and Symmetry

5.1 Half the Size and Double the Size

Subject

Ruth gets a visit from her cousin Roth, so she has to rearrange her gardens. See how she does it.


Description

Demo about half and double in relation to geometry.


Objective

Understand the concepts of half and double in relation to geometric shapes.


5.2 Doubling the Gardens

Subject

Come double up the gardens.


Description

None


Objective

None


5.3 Mirrors

Subject

Come mirror shapes


Description

The student works with various kinds of halved and doubled shapes. Uses pegboards etc.


Objective

Learn about various kinds of halved and doubled shapes. Learn, using pegboards etc.


5.4 Continue the Pattern

Subject

Draw patterns!


Description

Continue the pattern on the pegboard/CONSTRUCTION


Objective

None


5.5 Sort Them

Subject

Sort shapes with von Scrap.


Description

Sort shapes according to which shape they mirror.


Objective

Expand the understanding of geometry and symmetry.


5.6 Halving on Paper

Subject

Print out and divide some shapes in half!


Description

The student prints out a sheet and divides shapes into halves.


Objective

None


Mission 6 Subtraction

6.1 Subtracting in von Junk's Shop

Subject

Learn about subtraction, number sheets and eating junk


Description

Demo about subtraction with regrouping.


Objective

Use a number sheet to understand the use of subtraction.


6.2 Subtraction on the Number Sheet

Subject

Jump subtraction problems!


Description

The student uses the number sheet to solve large subtraction problems.


Objective

Learn more about how to subtract large numbers from one another.


6.3 Subtract Junk

Subject

Subtract junk using von Scrap's wheelbarrow!


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 =.


6.4 Colorful Subtraction

Subject

Can you subtract and color?


Description

The student solves subtraction problems.


Objective

subtracting large numbers from one another


6.5 Subtraction on the Scale

Subject

Create subtraction problems on the scale.


Description

Here you create and solve math problems by putting numbers and objects on the scale.


Objective

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


6.6 Monster Race

Subject


Description

A car game where the student solves subtraction problems with dollars and cents, in order to drive in the correct direction.


Objective

The student solves subtraction problems.


6.7 Color this

Subject

Add, subtract, and color!


Description

Adding and subtracting several numbers, and exercises in solving large problems.


Objective


6.8 Twelve Problems

Subject


Description

Practicing mental subtraction.


Objective


6.9 Subtraction for 3 Minutes

Subject


Description

Practicing mental subtraction.


Objective


Mission 7 Numbers and Counting

7.1 Rounding

Subject

See how von Scrap rounds the prices on his junk.


Description

Demo of how numbers are used when rounding decimals to whole numbers in connection with shopping for junk in von Scrap's cellar.


Objective

The student learns why and how number knowledge is a practical tool in connection with an everyday situation such as shopping.


7.2 Round to a Whole Number

Subject

Help with rounding to whole numbers!


Description

None


Objective

None


7.3 Colorful Rounding

Subject

Round and color!


Description

Rounding to the nearest five


Objective


7.4 Tables

Subject

See the connection between pieces of fruit, addition, and tables.


Description

Demo where Ruth, Manfred, and Pedro place pieces of fruit in boxes, thus illustrating addition and number sequences in connection with tables.


Objective

The student learns why and how tables are a practical tool in connection with counting.


7.5 Fill Out the Tables

Subject

Insert the missing numbers in the tables!


Description

The student fills out the numbers that are missing in the tables.


Objective

Learn the smaller tables.


7.6 Twelve Problems

Subject


Description

Exercises in rounding.


Objective


7.7 Round for 3 Minutes

Subject


Description

Practicing addition with tens.


Objective


Mission 8 Addition

8.1 Addition and Carrying

Subject

Learn about junk, addition and carrying...


Description

Demo about CARRYING and addition


Objective

Addition with large numbers and the use of carrying instead of using the number line.


8.2 Addition on the Pad

Subject

Add and solve on the pad!


Description


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.


8.3 Shopping in the Junk Cellar

Subject

Come on down and shop at von Scrap's.


Description

The student uses various price tags to figure out what it costs to go shopping in the junk cellar.


Objective

Learn to add in connection with everyday situations like shopping


8.4 Help the Pocket Calculator

Subject

Give addition problems to the pocket calculator.


Description

The student writes an addition problem based on the information given at each level. The pocket calculator solves the problem.


Objective

The student learns to discern the important information from verbal presentations of math problems, and uses this information to write correct addition problems.


8.5 Giant Addition with Colors

Subject

Add large numbers and color!


Description

The student must solve addition problems in order to color the picture.


Objective

None


8.6 Monster Race

Subject

Go on a monster race with Max.


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.


8.7 Use the Pad

Subject

Show that you are a shark at solving addition problems!


Description

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


Objective

None


8.8 Twelve Problems

Subject


Description

Addition with two 2-digit numbers with regrouping.


Objective


8.9 Add for Three Minutes

Subject


Description

Addition with two 2-digit numbers with regrouping.


Objective


Mission 9 Collecting and Sorting

9.1 Probability

Subject

See how Max cheats Manfred in a dice game...


Description

Demo about probability in dice games.


Objective

The student learns about probability.


9.2 Cheating, Probability, and Randomness

Subject

Learn about cheating in games.


Description

The student learns about probability and randomness through a conversation where they have to choose the correct answer.


Objective


9.3 Play a Game

Subject

Play a game with one of your friends!


Description

None


Objective

None


9.4 How Many Ways Can You Find?

Subject

Go hunting for different combinations.


Description

The student creates and counts combinations of dice rolls and combinations of mats.


Objective

None


9.5 Play Another Game

Subject

Have a friend come over and play this game with you.


Description

None


Objective

CRE


9.6 Print and Play

Subject

Print and play, but there has to be two of you.


Description

The students print out the game board for a probability game. Using real dice is advantageous, but the program's built in dice can also be used.


Objective

None


Mission 10 Time is Money

10.1 How Much Does It Weigh

Subject

Learn why it is good to be able to use a scale.


Description

Demo about the relationship between volume and weight.


Objective

The relationship between volume and weight.


10.2 Weigh a Piece of Fruit

Subject

Weigh all sorts of things on the scale!


Description

Weigh


Objective

Understand the relationship between size and weight. Learn about weights and weighing.


10.3 Do Eleven Carrots Always Weigh the Same?

Subject

Are you good at fruits and vegetables?


Description

The student learns about the relationship between volume and weight through a conversation where they have to choose the correct answer.


Objective

None


10.4 Liquid Measurement

Subject

See which monster has the most hydrogen and who therefore gets the first ride in Felicia's new vessel.


Description

Demo about liters and deciliters in relation to amounts


Objective

Understand the concepts of l and dl in relation to amounts


10.5 Stack it

Subject

Here you have to stack boxes with kilograms and grams!


Description

This learning object is about converting grams to kilograms and stacking the boxes correctly according to size.


Objective


10.6 Sorting Size

Subject

Help Pedro stack the boxes correctly.


Description

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


Objective

None


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