Jordan · Grade 3 · Practice Sheet 38

1. 1.

   What is half of 16?

   Formula:Halving

   $h = n \div 2$

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2. 2.

   Add 32 and 10.

   Formula:Addition

   $\text{sum} = a + b$

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3. 3.

   What is 9 × 3?

   Formula:Multiplication (Times Tables)

   $\text{product} = a \times b$

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4. 4.

   How many tens are there in the number 30?

   Formula:Place Value

   $\text{value} = \text{tens} \times 10 + \text{ones}$

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5. 5.

   Add 18 + 20 + 5.

   Formula:Addition of Three Numbers

   $\text{sum} = a + b + c$

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6. 6.

   Add 14 and 47.

   Formula:Addition

   $\text{sum} = a + b$

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7. 7.

   Continue the pattern by counting in 5s: 20, 25, ___

   Formula:Skip Counting

   $\text{next} = \text{term} + \text{step}$

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8. 8.

   Add 44 and 60.

   Formula:Addition

   $\text{sum} = a + b$

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9. 9.

   Add 15 + 8 + 20.

   Formula:Addition of Three Numbers

   $\text{sum} = a + b + c$

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10. 10.

    Fill in the missing number: 12 + ___ = 14.

    Formula:Missing Addend

    $b = \text{total} - a$

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11. 11.

    How many tens are there in the number 56?

    Formula:Place Value

    $\text{value} = \text{tens} \times 10 + \text{ones}$

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12. 12.

    Add 4 + 18 + 10.

    Formula:Addition of Three Numbers

    $\text{sum} = a + b + c$

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13. 13.

    Fill in the missing number: 7 + ___ = 21.

    Formula:Missing Addend

    $b = \text{total} - a$

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14. 14.

    What is double 2?

    Formula:Doubling

    $d = 2 \times n$

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15. 15.

    Continue the pattern by counting in 10s: 10, 20, ___

    Formula:Skip Counting

    $\text{next} = \text{term} + \text{step}$

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16. 16.

    You have JD 6 and JD 9. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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17. 17.

    What is half of 34?

    Formula:Halving

    $h = n \div 2$

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18. 18.

    Continue the pattern by counting in 10s: 20, 30, ___

    Formula:Skip Counting

    $\text{next} = \text{term} + \text{step}$

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19. 19.

    Add 20 + 7 + 5.

    Formula:Addition of Three Numbers

    $\text{sum} = a + b + c$

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20. 20.

    Fill in the missing number: 7 + ___ = 9.

    Formula:Missing Addend

    $b = \text{total} - a$

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