Numbers on a number line
Solve word problems involving elapsed time by adding and subtracting time intervals in minutes, including using a number line
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“If your child starts football practice at 3:20 p.m. and it lasts 75 minutes, can they work out what time it finishes — using a number line to help?”
Full guide and materials
- Activity. Solve word problems involving elapsed time by adding and subtracting time intervals in minutes, including using a number line
What to notice. A film starts at 2:15 and lasts 47 minutes — when does it end? • Calculate how many minutes between 9:20 and 10:05 • Use a number line to show the elapsed time between two events
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If your child starts football practice at 3:20 p.m. and it lasts 75 minutes, can they work out what time it finishes — using a number line to help?
Solve word problems involving elapsed time by adding and subtracting time intervals in minutes, including using a number line
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Check understanding
- A film starts at 2:15 and lasts 47 minutes — when does it end?
- Calculate how many minutes between 9:20 and 10:05
- Use a number line to show the elapsed time between two events
“If your child starts football practice at 3:20 p.m. and it lasts 75 minutes, can they work out what time it finishes — using a number line to help?”
Curriculum record
- Type
- Procedural
- Subject
- Mathematics
- Domain
- Measurement
- Age range
- Ages 8–9