Math 2 · Unit 5: Working with numbers to 100 · Cambridge Primary Maths Stage 2

Questions

1. 1. 27 − 5 = ?

   • 32
   • 22
   • 25
   • 77
   Check

2. 2. 39 − 8 = ?

   • 41
   • 47
   • 31
   • 30
   Check

3. 3. 41 − 10 = ?

   • 51
   • 30
   • 40
   • 31
   Check

4. 4. 52 − 20 = ?

   • 22
   • 50
   • 32
   • 72
   Check

5. 5. A farmer has 6 ducks and 22 ducklings. How many altogether?

   • 18
   • 26
   • 16
   • 28
   Check

6. 6. There are 37 elephants in a herd. 5 are calves. How many are adults?

   • 35
   • 31
   • 42
   • 32
   Check

7. 7. Which calculation does not have the same answer as the others?

   • 29 − 4
   • 27 − 3
   • 34 − 10
   • 14 + 10
   Check

8. 8. There are 42 zebras. 20 are foals. How many are adults?

   • 62
   • 2
   • 40
   • 22
   Check

9. 9. There are 35 small balls and 30 large balls. How many balls altogether?

   • 65
   • 55
   • 5
   • 38
   Check

10. 10. Sofia thinks of a number. She adds 7 and gets 59. What is her number?

    • 66
    • 59
    • 52
    • 51
    Check

11. 11. There are 68 strawberries. Arun eats 5. How many are left?

    • 18
    • 64
    • 63
    • 73
    Check

12. 12. Is this correct? 45 − 2 = 43

    • Yes
    • No
    Check

13. 13. Is this correct? 99 − 80 = 19

    • Yes
    • No
    Check

14. 14. Is this correct? 52 − 40 = 92

    • Yes
    • No
    Check

15. 15. I think of a number. I add 6 and subtract 30. I get 17. What is my number?

    • 23
    • 53
    • 41
    • 47
    Check

16. 16. 94 − 20 = ?

    • 72
    • 74
    • 92
    • 114
    Check