Math 4 · Unit 17: Multiplication and division · Cambridge Primary Maths Stage 4

Questions

1. 1. Worked example: Ingrid plants 4 seeds in each cell of a tray. The tray has 270 cells, and she fills every cell. Estimate how many seeds she plants, then work out how many seeds altogether.

   • Between 800 and 900; 880 seeds
   • Between 800 and 1200; 1008 seeds
   • Between 800 and 1200; 1080 seeds
   • Between 1200 and 1600; 274 seeds
   Check

2. 2. Leanne collects 2 comics each month for a year. How many comics does she collect in a year?

   • 24
   • 22
   • 12
   • 14
   Check

3. 3. Mr Singh has 13 boxes of tinned tomatoes. Each box contains 6 tins of tomatoes. How many tins has he got altogether?

   • 68
   • 618
   • 78
   • 19
   Check

4. 4. Someone worked out 47 × 6 and wrote 2442. What is wrong?

   • They added instead of multiplying: the answer is 53.
   • They wrote 42 and 24 side by side instead of carrying: the answer is 282.
   • They multiplied by 5 instead of 6: the answer is 235.
   • Nothing is wrong: 47 × 6 = 2442.
   Check

5. 5. Orla estimates the answer to 298 × 8 to be 2400. Is this a good estimate?

   • Yes
   • No
   Check

6. 6. Fatima reads 48 pages of a book. Parveen reads four times as many pages as Fatima. How many more pages did Parveen read than Fatima?

   • 96
   • 192
   • 144
   • 52
   Check

7. 7. Find the product of 58 and 5.

   • 290
   • 2540
   • 63
   • 250
   Check

8. 8. Multiply the numbers in two circles to give the number in the square between them. Fill in the missing numbers.

   Fill the blanks with these.

   • 23
   • 76
   • 66
   • 28
   Check

9. 9. Multiply the numbers in two circles to give the number in the square between them. Fill in the missing numbers.

   Fill the blanks with these.

   • 41
   • 51
   • 126
   • 136
   • 24
   Check

10. 10. Erik and Ollie both work out 345 × 4. Who has the correct answer?

    • Erik
    • Neither of them
    • Both of them
    • Ollie
    Check

11. 11. Milly buys 4 packets of red balloons. Paula buys 2 packets of blue balloons. Milly says, 'I have four times as many balloons as Paula.' Is Milly correct?

    • Yes
    • No
    Check

12. 12. Here are the digit cards 1, 3, 5, 7 and 0. Use three of these cards to make this calculation correct. Which one works?

    • 35 × 3
    • 15 × 7
    • 50 × 7
    • 30 × 5
    Check

13. 13. Use the digits 1, 2, 8 and 9 to make the multiplication that has the greatest product.

    Fill the blanks with these.

    • 8
    • 7
    • 2
    • 3
    • 1
    • 9
    Check

14. 14. Someone worked out 741 × 5 and wrote 3525. What is the correct answer?

    • 3505
    • 3525
    • 3555
    • 3705
    Check

15. 15. Here are four digit cards 2, 4, 6 and 8. Use three of these cards to make this calculation correct. Which calculation is correct?

    • 60 × 4 = 340
    • 40 × 6 = 320
    • 40 × 8 = 320
    • 80 × 4 = 340
    Check

16. 16. Write the **same** digit in each box to make the calculation correct: 4☐6 × ☐ = 3332

    • 9
    • 6
    • 8
    • 7
    Check

17. 17. Magda says, 'If you add three consecutive numbers, the sum is three times the middle number.' Is she right?

    • Yes
    • No
    Check