Math 3 · Unit 5: Multiplication and division · Cambridge Primary Maths Stage 3
5.2 Connecting 2×, 4× and 8×
15 questions · e.g. 4 × 7 = ?
Questions
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3. There are 6 spiders. Each has 8 legs. How many legs?
Check4. What is the third multiple of 4?
Check5. What is the 7th multiple of 4?
Check6. What is the 9th multiple of 8?
Check7. Rule: add 4. Start at 3. What are the next three numbers?
Check8. Rule: add 4, starting at 3. The numbers are all …
Check9. What are the next multiples of 4 after 40?
Check10. 4 × 4 = 16. Double the group size. What is 4 × 8?
Check11. 8 × 8 = 64. Halve the group size. What is 8 × 4?
Check12. What is the rule? 7, 15, 23, 31, …
Check13. A pear costs 8c. How much do 7 pears cost?
Check14. A T-shirt costs $4. How much do 8 T-shirts cost?
Check15. Six pieces of wood are each 4 metres long. What is the total length?
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