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In this lesson, we will learn how to subtract one-digit numbers from teen numbers by first subtracting the ones to make ten and then subtracting the remaining amount.

Q1:

We can make 10 to help us subtract.

Pick the calculation that matches 1 4 − 6 .

Fill in the blank: 1 4 − 6 = .

Q2:

Mariam was asked to solve .

She wrote

Is her solution correct?

Q3:

Amira is subtracting by making 10.

Which calculation should she do first?

Which calculation should she do next?

Q4:

What is 13 take away 3?

Q5:

Fady subtracted 7 from 13 by first making 10.

Now, he wants to subtract 8 from 12.

Which number should he write in the blue circle?

Which number should he write in the red circle?

What is ?

Q6:

Sarah was asked to solve 1 5 − 8 .

Q7:

Yara wants to find .

What number should she write in both boxes?

Q8:

We know that 5 + 7 = 1 2 .

What is 1 2 − 7 ?

Q9:

What is 16 take away 7?

Q10:

Look at how Adam made 10 to help him subtract.

Use his method to find the answer.

Help him finish this new calculation.

What should he do next to find ?

Find the answer.

Q11:

Fill in all the missing numbers.

Q12:

Choose the two numbers that make the equation true.

Q13:

Fill in the blank: 1 6 − 5 = + 1 .

Q14:

Ramy tried to solve by using the facts about making 10, but he got the answer wrong.

His teacher circled the mistake in his answer. Help him by finding .

Q15:

Adam started with 16.

He took away 6 to make 10, then took away 2 more.

Pick a calculation that is the same as what Fares did.

Q16:

Sameh tried to solve by using the facts about making 10, but he got the answer wrong.

Q17:

Which subtraction sentence is equal to 1 8 − 9 ?

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