Theme Tasks catalog
Comparison, addition and subtraction of numbers by tens
• You will improve your skill to count by tens forward and backward;
• You will learn how to add and subtract place value numbers – tens;
• You will practice comparing tens;
• You will learn to find expressions with the same value;
• You will solve problems to find the sum, the remainder, and the difference between numbers.
• You will learn how to add and subtract place value numbers – tens;
• You will practice comparing tens;
• You will learn to find expressions with the same value;
• You will solve problems to find the sum, the remainder, and the difference between numbers.
1
Count by tens, choose the missing numbers.
Count by tens, choose the missing numbers.
2
Choose the right numbers for the highlighted cells.
Choose the right numbers for the highlighted cells.
3
Make a short note and choose the answer for the problem.
Four boys and the same number of girls danced the waltz.
How many children danced the waltz in total?
Make a short note and choose the answer for the problem.
Four boys and the same number of girls danced the waltz.
How many children danced the waltz in total?
4
Put the sign greater, less or equal.
Put the sign greater, less or equal.
5
Choose the right number of tens.
Choose the right number of tens.
6
Add 10 and choose the right number.
Add 10 and choose the right number.
7
Count by tens backward.
Choose the missing numbers.
Count by tens backward.
Choose the missing numbers.
8
Find the wallet with the smallest number of coins. Choose it.
Find the wallet with the smallest number of coins. Choose it.
9
Drag the right bundle of mushrooms to the given number.
Drag the right bundle of mushrooms to the given number.
10
Subtract 10. Choose the right numbers.
Subtract 10. Choose the right numbers.
11
Find expressions with the same value.
Find expressions with the same value.
12
Make a short note and solve the problem.
The farmer had 80 sheep.
He sold 20 sheep.
How many sheep does the farmer have left?
Make a short note and solve the problem.
The farmer had 80 sheep.
He sold 20 sheep.
How many sheep does the farmer have left?
13
Calculate. Choose the right numbers.
Calculate. Choose the right numbers.
14
Find expressions with the same value.
Find expressions with the same value.
15
Make a short note and solve the problem.
There are 20 candies in the smaller box and 30 in the bigger box.
How many more candies are in the bigger box?
Make a short note and solve the problem.
There are 20 candies in the smaller box and 30 in the bigger box.
How many more candies are in the bigger box?
16
Calculate. Choose the right numbers.
Calculate. Choose the right numbers.
