# Worksheet: Subtracting Ones from Two-Digit Numbers on a Number Line

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

**Q1: **

Use the number line to calculate .

**Q2: **

There are 15 students in a class. 6 of them are girls. Use the number line to find how many boys are in that class.

**Q3: **

What are the two numbers that should fill the empty boxes on this number line?

- A49, 47
- B48, 46
- C50, 46
- D50, 48

What is the calculation shown by this number line?

- A
- B
- C
- D

**Q4: **

Which number line shows the answer to the calculation ?

- A
- B
- C
- D

**Q5: **

Natalie used the given model to solve . Find the missing numbers in her equation: .

- A6, 53
- B7, 54
- C7, 53
- D9, 52

Which of the following number lines represents the jumps she made using the model?

- A
- B
- C
- D

**Q6: **

Use the given ten frames to find .

Which of the following number lines is equivalent to the previous ten frames?

- A
- B
- C
- D

**Q7: **

Mia was using the given model and number line to carry out an operation.

Which of the following sentences represents the jumps she made on the number line?

- A
- B
- C
- D

What did she find in the end?

- A
- B
- C
- D

**Q8: **

Use the given number line to find by crossing a ten.