🔢 Mathematics · Addition & Subtraction
Addition and subtraction within 20
Add and subtract within 20 using strategies such as making ten, decomposing a number leading to ten, and using known facts
Typical age: 6–7 years
“If your child needs to work out '8 + 6', can they split the 6 into 2 + 4, use the 2 to fill up to 10, then add the remaining 4 to get 14?”
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- Fluent addition and subtractionREQUIRED
Fluent recall of facts to 20 builds from strategic calculation within 20
- Generalising Patterns
Deriving facts within 20 from known facts (near doubles, make ten) exercises generalising from patterns
- Adding within 100REQUIRED
Adding within 100 extends within-20 strategies to larger numbers
- Guided Multi-Step Problem Solving
Choosing strategies for adding within 20 requires planning and evaluating approaches
- Fluent adding and subtracting within 20REQUIRED
Fluency within 20 requires prior strategy-based adding/subtracting within 20