Math 1 · Unit 13: Working with numbers to 20 · Cambridge Primary Maths Stage 1

Questions

1. 1. 8 + 3 = ?

   • 5
   • 10
   • 12
   • 11
   Check

2. 2. 12 + 5 = ?

   • 7
   • 18
   • 17
   • 16
   Check

3. 3. 9 + 4 = ?

   • 5
   • 12
   • 14
   • 13
   Check

4. 4. 2 + 15 = ?

   • 16
   • 13
   • 17
   • 215
   Check

5. 5. 10 + 6 = ?

   • 15
   • 106
   • 16
   • 4
   Check

6. 6. 7 + 7 = ?

   • 12
   • 15
   • 14
   • 13
   Check

7. 7. 14 + 3 = ?

   • 16
   • 17
   • 18
   • 11
   Check

8. 8. 6 + 5 = ?

   • 10
   • 1
   • 12
   • 11
   Check

9. 9. There are 11 children on a bus. 4 more get on. How many now?

   • 7
   • 15
   • 16
   • 14
   Check

10. 10. 8 + 8 = ?

    • 15
    • 18
    • 16
    • 14
    Check

11. 11. 13 + 6 = ?

    • 19
    • 18
    • 7
    • 20
    Check

12. 12. 5 + 9 = ?

    • 13
    • 4
    • 14
    • 15
    Check

13. 13. 16 + 4 = ?

    • 21
    • 19
    • 20
    • 12
    Check

14. 14. Sam has 9 stickers and gets 9 more. How many?

    • 18
    • 0
    • 19
    • 17
    Check

15. 15. Which is easier to start counting on from for 3 + 14?

    • 3
    • 14
    Check