Theme Tasks catalog
Subtraction of numbers. The sign "–"
• You will practice choosing the next and neighboring numbers for a given number;
• You will practice comparing groups of objects and the corresponding numbers;
• You will learn about the arithmetic operation of subtraction and the sign "−";
• You will find out how to read a subtraction equation correctly;
• You will learn to make subtraction equations using schematic pictures;
• You will practice calculating subtraction expressions.
• You will practice comparing groups of objects and the corresponding numbers;
• You will learn about the arithmetic operation of subtraction and the sign "−";
• You will find out how to read a subtraction equation correctly;
• You will learn to make subtraction equations using schematic pictures;
• You will practice calculating subtraction expressions.
1
Which items are in pairs of two?
Choose them.
Which items are in pairs of two?
Choose them.
2
Choose the next number for each number.
Choose the next number for each number.
3
Match the correct numbers to the objects.
Match the correct numbers to the objects.
4
Choose the neighboring numbers.
Choose the neighboring numbers.
5
Find three triangles of the same color. Choose them.
Find three triangles of the same color. Choose them.
6
Insert the sign greater, less or equals.
Insert the sign greater, less or equals.
7
Look at the sheep in the fence.
Here are three sheep.
Let's take one sheep away to another fence.
There are two sheep left in the first fence.
When we take items away, we subtract.
To do this, we use the minus sign.
We write the equation:
3 – 1 = 2.
We read it as: three minus one equals two.
Let’s do one together!
Look: here are three cows.
Then two cows walked away.
There is one cow left.
Let's write the number sentence:
3 – 2 = 1.
Drag and drop the correct numbers into the empty boxes.
Now do the next tasks on your own!
Look at the sheep in the fence.
Here are three sheep.
Let's take one sheep away to another fence.
There are two sheep left in the first fence.
When we take items away, we subtract.
To do this, we use the minus sign.
We write the equation:
3 – 1 = 2.
We read it as: three minus one equals two.
Let’s do one together!
Look: here are three cows.
Then two cows walked away.
There is one cow left.
Let's write the number sentence:
3 – 2 = 1.
Drag and drop the correct numbers into the empty boxes.
Now do the next tasks on your own!
8
Find all the minus signs, choose them.
Find all the minus signs, choose them.
9
In a subtraction sentence, first we write how many items we had altogether.
After the minus sign, how many items were taken away.
And after the equal sign, how many items are left.
We get the number sentence: three minus one equals two.
In a subtraction sentence, first we write how many items we had altogether.
After the minus sign, how many items were taken away.
And after the equal sign, how many items are left.
We get the number sentence: three minus one equals two.
10
How many mushrooms belong after the equal sign?
Drag the correct group of mushrooms.
How many mushrooms belong after the equal sign?
Drag the correct group of mushrooms.
11
Look at the mushrooms and complete the subtraction sentence.
Drag the correct numbers.
Look at the mushrooms and complete the subtraction sentence.
Drag the correct numbers.
12
Look at the picture and complete the subtraction sentence.
Drag and drop the correct numbers.
Look at the picture and complete the subtraction sentence.
Drag and drop the correct numbers.
13
Insert the sign "greater", "less" or "equals".
Insert the sign "greater", "less" or "equals".
14
Look at the picture and complete the subtraction sentence.
Drag and drop the correct numbers.
Look at the picture and complete the subtraction sentence.
Drag and drop the correct numbers.
15
Solve the equation using the number line.
Drag the correct number.
Solve the equation using the number line.
Drag the correct number.
16
Calculate. Choose the correct numbers.
Calculate. Choose the correct numbers.
