Number Patterns and Number Lines — Quiz

Grade 2 · Math · Quiz

Test your ability to find rules, complete patterns, and use number lines.

Questions

1. Complete the pattern: 5, 10, 15, ___, 25

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   Answer: 20

   Add 5 each time: 5, 10, 15, 20, 25.

2. What is the rule? 6, 9, 12, 15

   1. Add 2
   2. Add 3
   3. Add 4
   4. Subtract 3
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   Answer: Add 3

   6 + 3 = 9, 9 + 3 = 12, 12 + 3 = 15.

3. In the pattern 20, 18, 16, 14, the rule is subtract 2.

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   Answer: True

   20 - 2 = 18, 18 - 2 = 16, 16 - 2 = 14.

4. What is missing? 7, 14, ___, 28

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   Answer: 21

   Rule is add 7: 7, 14, 21, 28.

5. On a number line, what number is between 45 and 47?

   1. 44
   2. 46
   3. 48
   4. 50
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   Answer: 46

   45, 46, 47 — 46 is between 45 and 47.

6. Numbers move to the left on a number line as they get larger.

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   Answer: False

   Numbers increase as you move right on a number line.

7. Which pattern has the rule 'add 10'?

   1. 1, 3, 5, 7
   2. 10, 15, 20, 25
   3. 10, 20, 30, 40
   4. 2, 4, 6, 8
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   Answer: 10, 20, 30, 40

   Each term increases by 10.

8. Pattern: 100, 90, 80, ___, 60

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   Answer: 70

   Rule is subtract 10: 100, 90, 80, 70, 60.

9. What comes next? 2, 5, 8, 11, ___

   1. 12
   2. 13
   3. 14
   4. 15
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   Answer: 14

   Rule is add 3: 2, 5, 8, 11, 14.

10. A number line can only be used for adding, not subtracting.

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    Answer: False

    Number lines are used for both adding (moving right) and subtracting (moving left).

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