Addition and subtraction word problems
Solve word problems involving lengths within 100, using addition and subtraction with drawings and equations
Share and support
Teaching Table
Set out your lesson
“If your child has a piece of rope 75 cm long and cuts off 28 cm, can they work out how much rope is left — and draw a number-line diagram to show it?”
Full guide and materials
- Activity. Solve word problems involving lengths within 100, using addition and subtraction with drawings and equations
What to notice. Solve 'The rope is 45 cm long. I cut off 18 cm. How long is it now?' • Draw a diagram (e.g. a ruler drawing) to represent a length word problem • Write an equation with a symbol for the unknown to represent the problem
Compare teaching approaches
Teaching approaches
Gakuva’s recommended starting approach is selected. You can still compare every option.
1 approach
If your child has a piece of rope 75 cm long and cuts off 28 cm, can they work out how much rope is left — and draw a number-line diagram to show it?
Solve word problems involving lengths within 100, using addition and subtraction with drawings and equations
Family records and proof options
Keep a record of your learning
Save photos, notes, and attendance. Export a proof packet for compliance or portfolio reviews.
Learning resources
External links for extra practice. They do not replace Gakuva’s teaching approach.
No additional resources are listed for this topic.
The teaching approach appears above.
Check understanding
- Solve 'The rope is 45 cm long. I cut off 18 cm. How long is it now?'
- Draw a diagram (e.g. a ruler drawing) to represent a length word problem
- Write an equation with a symbol for the unknown to represent the problem
“If your child has a piece of rope 75 cm long and cuts off 28 cm, can they work out how much rope is left — and draw a number-line diagram to show it?”
Curriculum record
- Type
- Procedural
- Subject
- Mathematics
- Domain
- Measurement
- Age range
- Ages 7–8
Standards