Theme Tasks catalog
Problems to find the unknown addend
• You will learn how to find the unknown addend and practice finding it;
• You will learn to solve problems to find the unknown addend and practice choosing the right solutions for problems;
• You will improve your skills in adding and subtracting numbers up to 10;
• You will practice comparing an expression and a number;
• You will repeat the composition of numbers 6, 8, 9, 10.
• You will learn to solve problems to find the unknown addend and practice choosing the right solutions for problems;
• You will improve your skills in adding and subtracting numbers up to 10;
• You will practice comparing an expression and a number;
• You will repeat the composition of numbers 6, 8, 9, 10.
1
Calculate. Choose the right numbers.
Calculate. Choose the right numbers.
2
Write a short note and solve the problem.
In a week, the craftswoman made 4 big baskets and 5 small ones.
How many baskets did the craftswoman make in a week?
Write a short note and solve the problem.
In a week, the craftswoman made 4 big baskets and 5 small ones.
How many baskets did the craftswoman make in a week?
3
Fill in the blanks. Choose the right numbers.
Fill in the blanks. Choose the right numbers.
4
Calculate. Choose the right numbers.
Calculate. Choose the right numbers.
5
Remember the names of numbers in addition.
First addend.
Second addend.
Sum.
How to find the unknown addend?
You need to subtract the known addend from the sum.
Let's do the task together.
Let's find the unknown addend and write the expression.
Look at the screen.
The first addend is unknown.
The second addend is 6.
The sum is 8.
To find the unknown addend, we subtract the known addend from the sum.
So 8 minus 6 equals 2.
So, the unknown addend is 2.
Let's write the expression.
Do the next tasks by yourself.
Remember the names of numbers in addition.
First addend.
Second addend.
Sum.
How to find the unknown addend?
You need to subtract the known addend from the sum.
Let's do the task together.
Let's find the unknown addend and write the expression.
Look at the screen.
The first addend is unknown.
The second addend is 6.
The sum is 8.
To find the unknown addend, we subtract the known addend from the sum.
So 8 minus 6 equals 2.
So, the unknown addend is 2.
Let's write the expression.
Do the next tasks by yourself.
6
Find the unknown addend.
Make an equation.
Find the unknown addend.
Make an equation.
7
Choose the solution for the problem.
Grandma put 8 tomatoes in the jar,
5 red, and the rest are yellow.
How many yellow tomatoes did she put in the jar?
Choose the solution for the problem.
Grandma put 8 tomatoes in the jar,
5 red, and the rest are yellow.
How many yellow tomatoes did she put in the jar?
8
Insert the sign "greater", "less" or "equals".
Insert the sign "greater", "less" or "equals".
9
Choose the solution for the problem.
Olenka baked 10 cakes, 6 with cherries and some with strawberries.
How many cakes with strawberries did Olenka bake?
Choose the solution for the problem.
Olenka baked 10 cakes, 6 with cherries and some with strawberries.
How many cakes with strawberries did Olenka bake?
10
Calculate. Choose the right numbers.
Calculate. Choose the right numbers.
11
Find the correct solution record for the problem.
The clown has 8 balloons, 5 red balloons and some blue ones.
How many blue balloons does the clown have?
Find the correct solution record for the problem.
The clown has 8 balloons, 5 red balloons and some blue ones.
How many blue balloons does the clown have?
12
Calculate. Choose the right numbers.
Calculate. Choose the right numbers.
13
Find the biggest number and choose it.
Find the biggest number and choose it.
14
Write a short note and solve the problem.
There are 9 flowers in the bouquet, 4 asters and some marigolds.
How many marigolds are in the bouquet?
Write a short note and solve the problem.
There are 9 flowers in the bouquet, 4 asters and some marigolds.
How many marigolds are in the bouquet?
15
Fill in the blanks. Choose the right numbers.
Fill in the blanks. Choose the right numbers.
16
Which numbers are printed as a composition? Choose them.
Which numbers are printed as a composition? Choose them.
17
Choose the solution for the problem.
Artur planted 7 currant bushes,
3 black and some red currant bushes.
How many red currant bushes did Artur plant?
Choose the solution for the problem.
Artur planted 7 currant bushes,
3 black and some red currant bushes.
How many red currant bushes did Artur plant?
