Theme Tasks catalog
Counting objects up to 20. Addition and subtraction like 18 – 1, 18 + 1
• You will practice finding the length of line segments and writing the result of measuring;
• You will learn how to add and subtract one within 20;
• You will practice changing named numbers written in centimeters and decimeters;
• You will learn to find the correct inequalities among the given ones;
• You will practice comparing a number and an expression.
• You will learn how to add and subtract one within 20;
• You will practice changing named numbers written in centimeters and decimeters;
• You will learn to find the correct inequalities among the given ones;
• You will practice comparing a number and an expression.
1
Choose the neighboring numbers.
Choose the neighboring numbers.
2
Find the length of each segment. Choose the measurement results.
Find the length of each segment. Choose the measurement results.
3
Write a short note and solve the problem.
They bought 40 spoons for the canteen, and 60 forks.
How many more forks than spoons did they buy for the canteen?
Write a short note and solve the problem.
They bought 40 spoons for the canteen, and 60 forks.
How many more forks than spoons did they buy for the canteen?
4
Change as in the example.
Choose the correct numbers.
Change as in the example.
Choose the correct numbers.
5
Choose the correct number of ones.
Choose the correct number of ones.
6
Find the correct inequalities and equalities. Choose them.
Find the correct inequalities and equalities. Choose them.
7
Write a short note and solve the problem.
Vasylko found 10 mushrooms,
7 chanterelles and some white mushrooms.
How many white mushrooms did Vasylko find?
Write a short note and solve the problem.
Vasylko found 10 mushrooms,
7 chanterelles and some white mushrooms.
How many white mushrooms did Vasylko find?
8
Choose the next number for each number.
Choose the next number for each number.
9
Calculate. Choose the correct numbers.
Calculate. Choose the correct numbers.
10
Match each abacus with the record showing the correct number of tens and ones.
Match each abacus with the record showing the correct number of tens and ones.
11
Choose the previous number for each number.
Choose the previous number for each number.
12
Calculate. Choose the correct numbers.
Calculate. Choose the correct numbers.
13
Write a short note and solve the problem.
The ant ran 70 centimeters,
and the snail crawled 60 centimeters less.
What distance did the snail crawl?
Write a short note and solve the problem.
The ant ran 70 centimeters,
and the snail crawled 60 centimeters less.
What distance did the snail crawl?
14
Insert the sign 'greater', 'less', or 'equals'.
Insert the sign 'greater', 'less', or 'equals'.
15
Calculate. Choose the correct numbers.
Calculate. Choose the correct numbers.
