Cambodia · Grade 2 · Practice Sheet 10

1. 1.

   Continue the pattern by counting in 3s: 12, 15, ___

   Formula:Skip Counting

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

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2. 2.

   What is 1 + 9?

   Formula:Addition

   $\text{sum} = a + b$

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3. 3.

   Add 68 and 59.

   Formula:Addition

   $\text{sum} = a + b$

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4. 4.

   Subtract 52 from 79.

   Formula:Subtraction

   $\text{difference} = a - b$

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5. 5.

   What is 5 − 3?

   Formula:Subtraction

   $\text{difference} = a - b$

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6. 6.

   How many tens are there in the number 42?

   Formula:Place Value

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

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7. 7.

   What is double 6?

   Formula:Doubling

   $d = 2 \times n$

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8. 8.

   How many tens are there in the number 66?

   Formula:Place Value

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

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9. 9.

   Add 2 + 9 + 18.

   Formula:Addition of Three Numbers

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

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10. 10.

    What is 11 − 9?

    Formula:Subtraction

    $\text{difference} = a - b$

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11. 11.

    Continue the pattern by counting in 10s: 40, 50, ___

    Formula:Skip Counting

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

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12. 12.

    What is 15 − 2?

    Formula:Subtraction

    $\text{difference} = a - b$

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13. 13.

    Add 79 and 43.

    Formula:Addition

    $\text{sum} = a + b$

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14. 14.

    You have ៛ 2 and ៛ 4. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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15. 15.

    What is 6 − 5?

    Formula:Subtraction

    $\text{difference} = a - b$

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16. 16.

    Continue the pattern by counting in 10s: 30, 40, ___

    Formula:Skip Counting

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

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17. 17.

    What is double 17?

    Formula:Doubling

    $d = 2 \times n$

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18. 18.

    Add 12 and 38.

    Formula:Addition

    $\text{sum} = a + b$

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19. 19.

    What is double 9?

    Formula:Doubling

    $d = 2 \times n$

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20. 20.

    Add 59 and 7.

    Formula:Addition

    $\text{sum} = a + b$

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