MathematicsRatio & ProportionAges 11–14
Compound Units
Use compound units such as speed (distance ÷ time), unit pricing (cost ÷ quantity), and density (mass ÷ volume); solve problems involving compound units
Teaching approaches
No active lock support yet. Gakuva’s default is selected.
1 approach
Selected Default Gakuva
If a car travels 150 miles in 2.5 hours, can your child work out its average speed — and use the same idea to solve problems about price per kilogram or density of a material?
Use compound units such as speed (distance ÷ time), unit pricing (cost ÷ quantity), and density (mass ÷ volume); solve problems involving compound units
Active lock support0 sat-blocks
Entire curriculum
1590 concepts · 8 subjects
Plotting every matching concept…
Browse all 1590 matching concepts
Check understanding
- Calculate average speed given distance and time, converting between km/h and m/s if needed
- Compare unit prices of two products sold in different quantities to find the better deal
- Use the density formula to find mass, volume, or density given the other two values
“If a car travels 150 miles in 2.5 hours, can your child work out its average speed — and use the same idea to solve problems about price per kilogram or density of a material?”
Curriculum record
- Type
- Procedural
- Subject
- Mathematics
- Domain
- Ratio & Proportion
- Age range
- Ages 11–14
Standards
ccss-math:6.RP.3bccss-math:7.RP.1uk-nc-2013:KS3.Maths.Ratio.10