Subtraction with Measurements

Name:

Date:

📏 Part 1: Length Subtraction

1. Sarah has a piece of string that is 45 cm long. She cuts off 18 cm. How much string is left?

Answer: _______ cm

2. A pencil is 20 cm long. After sharpening, it is 17 cm long. How many centimetres were sharpened off?

Answer: _______ cm

3. Choose the correct subtraction equation for this problem: A ribbon is 65 cm long. Tom cuts off 29 cm.

65 + 29 = 94

65 - 29 = 36

29 - 65 = 36

4. Draw a number line to show 52 cm - 24 cm:

Answer: _______ cm

⏰ Part 2: Time Subtraction

5. School starts at 9:00 am and finishes at 3:00 pm. How many hours is the school day?

Answer: _______ hours

6. Reading time starts at 10:30 am and ends at 11:15 am. How long is reading time?

Answer: _______ minutes

7. Which method can you use to subtract time? (Check all that apply)

Count forwards on a clock

Use a number line

Count backwards

Add the numbers together

🧠 Part 3: Problem Solving

8. Jake walks 85 metres to the library. On his way back, he stops at the park after walking 32 metres. How much further does he need to walk to get home?

Answer: _______ metres

9. Explain how you solved question 8. What subtraction strategy did you use?

10. Extension Challenge: A movie starts at 2:45 pm and ends at 4:20 pm. If there were 15 minutes of advertisements at the beginning, how long was the actual movie?

Answer: _______ minutes or _____ hour and _____ minutes