Theme Tasks catalog
Column addition and subtraction of two-digit numbers (45 + 22, 45 – 22)
• You will find the number of tens and ones in two-digit numbers up to 100;
• You will learn about column addition and subtraction of two-digit numbers;
• You will practice comparing named numbers written in kilograms;
• You will improve your skills in adding and subtracting numbers up to 100;
• You will solve problems to find the sum, compare numbers by difference, and increase a number by a few units;
• You will practice changing named numbers written in centimeters and decimeters.
• You will learn about column addition and subtraction of two-digit numbers;
• You will practice comparing named numbers written in kilograms;
• You will improve your skills in adding and subtracting numbers up to 100;
• You will solve problems to find the sum, compare numbers by difference, and increase a number by a few units;
• You will practice changing named numbers written in centimeters and decimeters.
1
Calculate. Choose the correct numbers.
Calculate. Choose the correct numbers.
2
Choose the missing numbers.
Choose the missing numbers.
3
Solve the chain examples. Help the butterfly fly to the flower meadow.
Solve the chain examples. Help the butterfly fly to the flower meadow.
4
Insert the sign greater, less or equal.
Insert the sign greater, less or equal.
5
Make a short note and solve the problem.
Painter Vasyl painted 48 stools, and painter Dmytro – 40.
How many fewer stools did painter Dmytro paint than painter Vasyl?
Make a short note and solve the problem.
Painter Vasyl painted 48 stools, and painter Dmytro – 40.
How many fewer stools did painter Dmytro paint than painter Vasyl?
6
Calculate. Choose the correct numbers.
Calculate. Choose the correct numbers.
7
Do the conversion, choose the correct numbers.
Do the conversion, choose the correct numbers.
8
Find the number of tens and ones. Choose the correct numbers.
Find the number of tens and ones. Choose the correct numbers.
9
Calculate. Choose the correct numbers.
Calculate. Choose the correct numbers.
10
Make a short note and solve the problem.
Andriyko did 7 squats, and Maksymko did 29.
How many more squats did Maksymko do?
Make a short note and solve the problem.
Andriyko did 7 squats, and Maksymko did 29.
How many more squats did Maksymko do?
11
Find the longest segment by the measurement results.
Choose it.
Find the longest segment by the measurement results.
Choose it.
12
Choose the numbers they make.
Choose the numbers they make.
13
Calculate. Choose the correct numbers.
Calculate. Choose the correct numbers.
14
Count the money, choose the correct numbers.
Count the money, choose the correct numbers.
15
How do you add 32 to 56?
Let's break 56 into tens and ones.
56 is 5 tens and 6 ones.
50 plus 6.
Let's break 32 into tens and ones.
32 is 3 tens and 2 ones.
30 plus 2.
Add 3 tens to 5 tens.
We get 8 tens.
80.
Add 2 ones to 6 ones.
It will be 8 ones.
80 plus 8 is 88.
Let's do the task together.
Let's calculate the expression and choose the correct number.
Look at the screen.
We need to calculate 73 plus 25.
Let's break 73 and 25 into tens and ones.
73 is 7 tens and 3 ones.
And 25 is 2 tens and 5 ones.
Add 2 tens to 7 tens.
We get 9 tens, that is 90.
Add 5 ones to 3 ones.
We get 8 ones.
Now add 8 to 90.
We get 98.
So, 73 plus 25 equals 98.
Let's drag the correct number to the empty cell.
Do the next tasks by yourself.
How do you add 32 to 56?
Let's break 56 into tens and ones.
56 is 5 tens and 6 ones.
50 plus 6.
Let's break 32 into tens and ones.
32 is 3 tens and 2 ones.
30 plus 2.
Add 3 tens to 5 tens.
We get 8 tens.
80.
Add 2 ones to 6 ones.
It will be 8 ones.
80 plus 8 is 88.
Let's do the task together.
Let's calculate the expression and choose the correct number.
Look at the screen.
We need to calculate 73 plus 25.
Let's break 73 and 25 into tens and ones.
73 is 7 tens and 3 ones.
And 25 is 2 tens and 5 ones.
Add 2 tens to 7 tens.
We get 9 tens, that is 90.
Add 5 ones to 3 ones.
We get 8 ones.
Now add 8 to 90.
We get 98.
So, 73 plus 25 equals 98.
Let's drag the correct number to the empty cell.
Do the next tasks by yourself.
16
Calculate by the example. Choose the correct numbers.
Calculate by the example. Choose the correct numbers.
17
Make a short note and solve the problem.
Tetyanka has 45 stickers, and Ihor has 34.
How many stickers do the children have together?
Make a short note and solve the problem.
Tetyanka has 45 stickers, and Ihor has 34.
How many stickers do the children have together?
18
How do you subtract 25 from 37?
Let's break 37 into tens and ones.
37 is 3 tens and 7 ones.
30 plus 7.
Let's break 25 into tens and ones.
25 is 2 tens and 5 ones.
20 plus 5.
Take away 2 tens from 3 tens.
We get one ten – 10.
Take away 5 ones from 7 ones.
It will be 2 ones.
10 plus 2 is 12.
Let's do the task together.
Let's calculate the expression and choose the correct number.
Look at the screen.
We need to calculate 86 minus 34.
Let's break 86 and 34 into tens and ones.
86 is 8 tens and 6 ones.
And 34 is 3 tens and 4 ones.
Take away 3 tens from 8 tens.
We get 5 tens, that is 50.
Take away 4 ones from 6 ones.
We get 2 ones.
Now add 2 to 50.
We get 52.
So, 86 minus 34 equals 52.
Let's drag the correct number to the empty cell.
Do the next tasks by yourself.
How do you subtract 25 from 37?
Let's break 37 into tens and ones.
37 is 3 tens and 7 ones.
30 plus 7.
Let's break 25 into tens and ones.
25 is 2 tens and 5 ones.
20 plus 5.
Take away 2 tens from 3 tens.
We get one ten – 10.
Take away 5 ones from 7 ones.
It will be 2 ones.
10 plus 2 is 12.
Let's do the task together.
Let's calculate the expression and choose the correct number.
Look at the screen.
We need to calculate 86 minus 34.
Let's break 86 and 34 into tens and ones.
86 is 8 tens and 6 ones.
And 34 is 3 tens and 4 ones.
Take away 3 tens from 8 tens.
We get 5 tens, that is 50.
Take away 4 ones from 6 ones.
We get 2 ones.
Now add 2 to 50.
We get 52.
So, 86 minus 34 equals 52.
Let's drag the correct number to the empty cell.
Do the next tasks by yourself.
19
Calculate by the example. Choose the correct numbers.
Calculate by the example. Choose the correct numbers.
