Addition Within 20 Quiz

Grade 1 · Math · Quiz

Test your addition skills with these 10 questions on adding numbers up to 20.

Questions

1. What is 7 + 6?

   1. 12
   2. 13
   3. 14
   4. 11
   Show answer

   Answer: 13

   7 + 6 = 13

2. What is 9 + 8?

   1. 16
   2. 17
   3. 18
   4. 15
   Show answer

   Answer: 17

   9 + 8 = 17

3. 5 + 5 = 10

   Show answer

   Answer: True

   5 + 5 is a doubles fact that equals 10

4. 3 + ___ = 10

   Show answer

   Answer: 7

   3 + 7 = 10; think of what fills the gap to 10

5. Jake had 6 toy cars. His dad gave him 7 more. How many does Jake have now?

   1. 11
   2. 12
   3. 13
   4. 14
   Show answer

   Answer: 13

   6 + 7 = 13

6. 8 + 7 = 16

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   Answer: False

   8 + 7 = 15, not 16

7. Which sum equals 20?

   1. 9 + 10
   2. 10 + 10
   3. 8 + 9
   4. 7 + 11
   Show answer

   Answer: 10 + 10

   10 + 10 = 20

8. 9 + 9 = ___

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   Answer: 18

   9 + 9 is a doubles fact that equals 18

9. What is 4 + 0?

   1. 0
   2. 5
   3. 4
   4. 3
   Show answer

   Answer: 4

   Any number plus zero stays the same

10. Adding numbers in a different order gives the same sum (for example 3+5 = 5+3)

    Show answer

    Answer: True

    This is called the commutative property — the order doesn't change the sum

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