Fluent addition and subtraction
Recall and use addition and subtraction facts to 20 fluently, and derive and use related facts up to 100
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Teaching Table · Plan outline
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“Can your child quickly recall facts like '9 + 7 = 16' and '16 − 7 = 9', and use those to help work out bigger sums like '90 + 70'?”
Full guide and materials
- Activity. Recall and use addition and subtraction facts to 20 fluently, and derive and use related facts up to 100
What to notice. Rapidly recall 7 + 8 = 15 and 15 − 8 = 7 • Use 6 + 4 = 10 to derive 60 + 40 = 100 • Derive 35 + 5 = 40 from knowledge that 5 + 5 = 10
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1 approach
Can your child quickly recall facts like '9 + 7 = 16' and '16 − 7 = 9', and use those to help work out bigger sums like '90 + 70'?
Recall and use addition and subtraction facts to 20 fluently, and derive and use related facts up to 100
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Check understanding
- Rapidly recall 7 + 8 = 15 and 15 − 8 = 7
- Use 6 + 4 = 10 to derive 60 + 40 = 100
- Derive 35 + 5 = 40 from knowledge that 5 + 5 = 10
“Can your child quickly recall facts like '9 + 7 = 16' and '16 − 7 = 9', and use those to help work out bigger sums like '90 + 70'?”
Curriculum record
- Type
- Procedural
- Subject
- Mathematics
- Domain
- Addition & Subtraction
- Age range
- Ages 6–7
Standards