Worksheet: Adding Ones to Two-Digit Numbers on a Number Line

In this worksheet, we will practice adding a one-digit number to a two-digit number when crossing a ten by modeling two jumps on a number line.

Q1:

Use a number line to find the sum of 63+7.

Q2:

Use a number line to find the sum of 49+9.

Q3:

Use a number line to find the sum of 23+5.

Q4:

Skip count forward by 5s to add 5.

What is 9+5?

What is 14+5?

What is 19+5?

Q5:

Use the given number line to find 23+6.

Q6:

Benjamin used the given number line to find 50+4.

He found that the answer is 54.

Using the previous information, find 55+4.

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