Multiply & Add Problems
Solve problems involving multiplying and adding, including using the distributive law, integer scaling problems, and harder correspondence problems
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Teaching Table
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“If your child needs to work out '5 × 23', can they split it into '5 × 20 + 5 × 3 = 100 + 15 = 115' — rather than just jumping straight to a written method?”
Full guide and materials
- Activity. Solve problems involving multiplying and adding, including using the distributive law, integer scaling problems, and harder correspondence problems
What to notice. Use the distributive law to solve 14 × 6 as 10 × 6 + 4 × 6 • Solve a scaling problem (e.g. 'A tower is 3 times as tall as a 15 m building') • Solve a correspondence problem (e.g. '3 types of bread, 4 types of filling — how many different sandwiches?')
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1 approach
If your child needs to work out '5 × 23', can they split it into '5 × 20 + 5 × 3 = 100 + 15 = 115' — rather than just jumping straight to a written method?
Solve problems involving multiplying and adding, including using the distributive law, integer scaling problems, and harder correspondence problems
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Check understanding
- Use the distributive law to solve 14 × 6 as 10 × 6 + 4 × 6
- Solve a scaling problem (e.g. 'A tower is 3 times as tall as a 15 m building')
- Solve a correspondence problem (e.g. '3 types of bread, 4 types of filling — how many different sandwiches?')
“If your child needs to work out '5 × 23', can they split it into '5 × 20 + 5 × 3 = 100 + 15 = 115' — rather than just jumping straight to a written method?”
Curriculum record
- Type
- Procedural
- Subject
- Mathematics
- Domain
- Multiplication & Division
- Age range
- Ages 8–9
Standards