Mathematics·Measurement·procedural
Addition and subtraction word problems
Solve word problems involving lengths within 100, using addition and subtraction with drawings and equations
Suggested ages 7–8
Learning journey
Your child is learning practical measurement skills — using rulers and other tools to measure length, weight, and volume accurately, working with money, and telling time to the nearest minute.
Evidence of 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
Assessment prompt
If Addition and subtraction word problems 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?
Standards alignment
2.MD.5US · ccss-math
Solve word problems involving length
Common Core State Standards for Mathematics · 2