Working with numbers to 100

Which of these calculation correctly 42 + 4 = __

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Which of these calculations correctly shows 57 - 20?

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Look at the picture and tread the question.

Press the correct operation needed to solve the problem.

At first there were 34 children on the bus.

Then the bus stopped and 5 more children got on.

How many children are on the bus now?

• subtraction (-)

• multiplication (x)

• addition (+)

Look at the picture and read the question.

Press the correct operation needed to solve the problem.

There are 6 eggs in one carton.

I have 5 cartons.

How many eggs do I have altogether?

What operation should we use?

• subtraction (-)

• division (÷)

• multiplication (x)

There are 30 strawberries. They are shared equally between 10 children.

What operation should you to find out how many strawberry each child gets?

• multiplication ( x )

• division ( ÷ )

• addition ( + )

There are 30 strawberries. They are shared equally between 10 children.

How many strawberries does each child get?

• 10

• 3

• 4

There are 30 strawberries. They are shared equally between 10 children.

How can we write this calculation?

• 30 ÷ 10 = 3

• 30 + 10 = 40

• 30 - 10 = 20

42

+ 5