Peru · Grado 1 · Practice Sheet 9

1. 1.

   What is 9 + 5?

   Formula:Addition

   $\text{sum} = a + b$

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2. 2.

   What is 9 − 3?

   Formula:Subtraction

   $\text{difference} = a - b$

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3. 3.

   Add 24 and 50.

   Formula:Addition

   $\text{sum} = a + b$

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4. 4.

   What is double 22?

   Formula:Doubling

   $d = 2 \times n$

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5. 5.

   Add 76 and 57.

   Formula:Addition

   $\text{sum} = a + b$

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6. 6.

   What is double 11?

   Formula:Doubling

   $d = 2 \times n$

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7. 7.

   What is 4 + 2?

   Formula:Addition

   $\text{sum} = a + b$

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8. 8.

   Add 42 and 13.

   Formula:Addition

   $\text{sum} = a + b$

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9. 9.

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

   Formula:Skip Counting

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

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10. 10.

    What is 4 + 8?

    Formula:Addition

    $\text{sum} = a + b$

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11. 11.

    You have S/ 1 and S/ 9. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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12. 12.

    What is double 7?

    Formula:Doubling

    $d = 2 \times n$

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13. 13.

    Continue the pattern by counting in 5s: 0, 5, ___

    Formula:Skip Counting

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

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14. 14.

    What is double 23?

    Formula:Doubling

    $d = 2 \times n$

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15. 15.

    What is 17 − 11?

    Formula:Subtraction

    $\text{difference} = a - b$

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16. 16.

    What is 5 + 6?

    Formula:Addition

    $\text{sum} = a + b$

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17. 17.

    You have S/ 4 and S/ 3. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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18. 18.

    What is 6 + 3?

    Formula:Addition

    $\text{sum} = a + b$

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19. 19.

    Add 18 and 39.

    Formula:Addition

    $\text{sum} = a + b$

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20. 20.

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

    Formula:Skip Counting

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

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