Theme Tasks catalog
Problems to find the unknown minuend
• You will practice how to add and subtract without regrouping and with regrouping up to 20;
• You will remember the rule for finding the unknown minuend;
• You will learn to solve problems to find the unknown minuend and practice choosing the right solutions for problems;
• You will compare two-digit numbers up to 20.
• You will remember the rule for finding the unknown minuend;
• You will learn to solve problems to find the unknown minuend and practice choosing the right solutions for problems;
• You will compare two-digit numbers up to 20.
1
Calculate. Choose the correct numbers.
Calculate. Choose the correct numbers.
2
Make a short note and solve the problem.
There were 14 planes at the airport.
4 planes flew into the sky.
How many planes stayed at the airport?
Make a short note and solve the problem.
There were 14 planes at the airport.
4 planes flew into the sky.
How many planes stayed at the airport?
3
Insert the sign "greater", "less" or "equals".
Insert the sign "greater", "less" or "equals".
4
Find the unknown minuend.
Find the unknown minuend.
5
Choose the solution for the problem.
Dmytryk picked apples in the garden.
He gave 6 apples to Marynka,
after that the boy had 5 apples left.
How many apples did Dmytryk pick in the garden?
Choose the solution for the problem.
Dmytryk picked apples in the garden.
He gave 6 apples to Marynka,
after that the boy had 5 apples left.
How many apples did Dmytryk pick in the garden?
6
Calculate the expressions by splitting the numbers into easy addends.
Calculate the expressions by splitting the numbers into easy addends.
7
Choose the solution for each problem.
Choose the solution for each problem.
8
Choose the next number for each number.
Choose the next number for each number.
9
Make a short note and choose the solution for the problem.
Mom picked cucumbers from the garden.
She pickled 10 kilograms of cucumbers,
after that 2 kilograms of cucumbers were left.
How many kilograms of cucumbers did mom pick from the garden?
Make a short note and choose the solution for the problem.
Mom picked cucumbers from the garden.
She pickled 10 kilograms of cucumbers,
after that 2 kilograms of cucumbers were left.
How many kilograms of cucumbers did mom pick from the garden?
10
Calculate the expressions by splitting the numbers into easy addends.
Calculate the expressions by splitting the numbers into easy addends.
11
Make a short note and solve the problem.
There were fish swimming in a small aquarium.
9 fish were moved to a bigger aquarium,
after that 6 fish were left in the small aquarium.
How many fish were in the small aquarium at first?
Make a short note and solve the problem.
There were fish swimming in a small aquarium.
9 fish were moved to a bigger aquarium,
after that 6 fish were left in the small aquarium.
How many fish were in the small aquarium at first?
12
Calculate. Choose the correct numbers.
Calculate. Choose the correct numbers.
