Worksheet: Decomposing Teen Numbers

In this worksheet, we will practice making teen numbers from tens and ones using base ten blocks and writing addition sentences to record the composition.

Q1:

Amira used base ten blocks to make a number.

How many ones are there?

What is the number?

Q2:

Twelve is composed of 1 ten and ones.

Q3:

How many dots are there?

Q4:

How many more than 10 are there?

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