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P1 Math · Chapter 5brightbit.net/worksheets

Addition within 20

Name: ______________________Class: ________Date: ____________Score: ____ / 10
  1. 1.

    8 + 7 = ?

    Answer: ____________________________________

  2. 2.

    9 + 9 = ?

    (a) 16(b) 17(c) 18(d) 19
  3. 3.

    There are 12 children. 5 more join. How many children are there now?

    Answer: ____________________________________

  4. 4.

    6 + 8 = ?

    (a) 12(b) 13(c) 14(d) 15
  5. 5.

    7 + 7 = ?

    Answer: ____________________________________

  6. 6.

    10 + 6 = ?

    (a) 14(b) 15(c) 16(d) 17
  7. 7.

    9 + 4 = ?

    Answer: ____________________________________

  8. 8.

    11 + 5 = ?

    (a) 14(b) 15(c) 16(d) 17
  9. 9.

    Mia has 8 apples. She buys 9 more. How many apples does she have?

    Answer: ____________________________________

  10. 10.

    5 + 15 = ?

    (a) 18(b) 19(c) 20(d) 21

Answer key — P1 Math: Addition within 20

For parents. Step-by-step explanations for every question are free on brightbit.net.

  1. 1.15
  2. 2.(c) 18
  3. 3.17
  4. 4.(c) 14
  5. 5.14
  6. 6.(c) 16
  7. 7.13
  8. 8.(c) 16
  9. 9.17
  10. 10.(c) 20
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