Mathematics
Algebra
Procedural
12–14 yrs
Simple formulae
简单公式
Description
Understand and use standard mathematical formulae; rearrange formulae to change the subject, performing inverse operations to isolate a different variable
Mastery Evidence
- Identify the subject of a given formula
- Use inverse operations to rearrange a formula to make a different variable the subject
- Rearrange formulae involving multiple steps including fractions and powers
Assessment Prompt
If a formula gives speed as distance ÷ time, can your child rearrange it to find distance or time when they're the unknowns instead?