# Lesson Worksheet: Subtracting Ones from Teen Numbers: Number Line Mathematics • 2nd Grade

In this worksheet, we will practice modeling subtraction of a one-digit number from a teen number on a number line by making a jump to ten and then a jump to the result.

Q1:

What is 13 minus 4?

Hint: Finish the calculation on the number line. How many more do you have to take away?

Q2:

What is 15 take away 7?

Hint: Use a number line and subtract to make 10 first.

Q3:

Look at how David used a number line to find 15 take away 8.

First, he took away 5 to make 10.

How much was left to take away?

What is 15 take away 8?

Q4:

Help Amelia answer a subtraction problem. She wants to find 13 take away 7.

First, she took away 3 to make 10. How much is left to take away?

What is 13 take away 7?

Q5:

Use the number line to calculate .

Hint: Subtract to make 10 first.

Q6:

Look at the calculation on the number line.

First, we took away 6 to make 10. Then, we took away 3.

How much did we take away altogether?

What is 16 minus 9?

Q7:

Use the number line to subtract.

Hint: Subtract to make 10 first.

Q8:

Using the given number line, find .

Q9:

Using the given model and number line, find .

Q10:

Using the given number line, complete the following statements to find .

First, we subtract from 12 to get 10.

Then, we subtract to get the result.

So, .