Counting by 2s, 5s, and 10s Quiz

Grade 1 · Math · Quiz

Test your skip counting skills with 2s, 5s, and 10s.

Questions

1. What is the missing number? 4, 6, ___, 10, 12

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

   Answer: 8

   Counting by 2s: 4, 6, 8, 10, 12. The missing number is 8.

2. What is the missing number when counting by 5s? 10, 15, ___, 25

   1. 16
   2. 18
   3. 20
   4. 22
   Show answer

   Answer: 20

   Counting by 5s: 10, 15, 20, 25. The missing number is 20.

3. Count by 10s: 30, 40, ___, 60

   1. 41
   2. 45
   3. 50
   4. 55
   Show answer

   Answer: 50

   Counting by 10s: 30, 40, 50, 60. The missing number is 50.

4. The number 15 is in the counting-by-5s pattern.

   Show answer

   Answer: True

   15 is a multiple of 5. Count by 5s: 5, 10, 15 — yes, 15 is in the pattern.

5. You count by 2s starting at 2. Which number do you NOT say?

   1. 4
   2. 6
   3. 7
   4. 8
   Show answer

   Answer: 7

   Counting by 2s lands on even numbers: 2, 4, 6, 8. You skip odd numbers like 7.

6. There are 5 fingers on each hand. How many fingers on 4 hands?

   1. 15
   2. 20
   3. 25
   4. 10
   Show answer

   Answer: 20

   Count by 5s for 4 hands: 5, 10, 15, 20. Four hands have 20 fingers.

7. Count by 10s: 50, 60, 70, ___.

   Show answer

   Answer: 80

   Counting by 10s: 50, 60, 70, 80. Each number is 10 more than the last.

8. Which list shows counting by 2s?

   1. 1, 3, 5, 7
   2. 2, 4, 6, 8
   3. 5, 10, 15, 20
   4. 10, 20, 30, 40
   Show answer

   Answer: 2, 4, 6, 8

   2, 4, 6, 8 shows counting by 2s — each number is 2 more than the previous one.

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