Japan · Grade 2 · Practice Sheet 50

1. 1.

   What is double 4?

   Formula:Doubling

   $d = 2 \times n$

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2. 2.

   Add 80 and 43.

   Formula:Addition

   $\text{sum} = a + b$

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3. 3.

   How many tens are there in the number 62?

   Formula:Place Value

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

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4. 4.

   What is half of 20?

   Formula:Halving

   $h = n \div 2$

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5. 5.

   What is 2 + 1?

   Formula:Addition

   $\text{sum} = a + b$

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6. 6.

   Subtract 37 from 72.

   Formula:Subtraction

   $\text{difference} = a - b$

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7. 7.

   Add 52 and 6.

   Formula:Addition

   $\text{sum} = a + b$

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8. 8.

   What is 7 + 7?

   Formula:Addition

   $\text{sum} = a + b$

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9. 9.

   Subtract 35 from 67.

   Formula:Subtraction

   $\text{difference} = a - b$

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10. 10.

    What is 7 − 1?

    Formula:Subtraction

    $\text{difference} = a - b$

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11. 11.

    How many tens are there in the number 86?

    Formula:Place Value

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

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12. 12.

    Add 11 + 7 + 5.

    Formula:Addition of Three Numbers

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

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13. 13.

    Fill in the missing number: 4 + ___ = 13.

    Formula:Missing Addend

    $b = \text{total} - a$

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14. 14.

    Add 55 and 28.

    Formula:Addition

    $\text{sum} = a + b$

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15. 15.

    Continue the pattern by counting in 2s: 4, 6, ___

    Formula:Skip Counting

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

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16. 16.

    What is 10 − 5?

    Formula:Subtraction

    $\text{difference} = a - b$

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17. 17.

    Add 17 and 10.

    Formula:Addition

    $\text{sum} = a + b$

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18. 18.

    What is 8 − 7?

    Formula:Subtraction

    $\text{difference} = a - b$

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19. 19.

    Continue the pattern by counting in 10s: 0, 10, ___

    Formula:Skip Counting

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

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20. 20.

    What is 5 + 6?

    Formula:Addition

    $\text{sum} = a + b$

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