Argentina · Grado 1 · Practice Sheet 32

1. 1.

   What is 16 − 9?

   Formula:Subtraction

   $\text{difference} = a - b$

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2. 2.

   What is 3 + 7?

   Formula:Addition

   $\text{sum} = a + b$

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3. 3.

   Add 55 and 30.

   Formula:Addition

   $\text{sum} = a + b$

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4. 4.

   What is 2 + 6?

   Formula:Addition

   $\text{sum} = a + b$

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5. 5.

   Add 18 and 52.

   Formula:Addition

   $\text{sum} = a + b$

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6. 6.

   What is 14 − 7?

   Formula:Subtraction

   $\text{difference} = a - b$

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7. 7.

   Add 33 and 43.

   Formula:Addition

   $\text{sum} = a + b$

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8. 8.

   What is double 16?

   Formula:Doubling

   $d = 2 \times n$

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9. 9.

   What is 18 − 12?

   Formula:Subtraction

   $\text{difference} = a - b$

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10. 10.

    Continue the pattern by counting in 5s: 10, 15, ___

    Formula:Skip Counting

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

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11. 11.

    What is 6 − 4?

    Formula:Subtraction

    $\text{difference} = a - b$

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12. 12.

    Fill in the missing number: 14 + ___ = 19.

    Formula:Missing Addend

    $b = \text{total} - a$

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13. 13.

    Add 65 and 39.

    Formula:Addition

    $\text{sum} = a + b$

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14. 14.

    What is 3 + 8?

    Formula:Addition

    $\text{sum} = a + b$

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15. 15.

    Add 41 and 25.

    Formula:Addition

    $\text{sum} = a + b$

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16. 16.

    What is 12 − 6?

    Formula:Subtraction

    $\text{difference} = a - b$

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17. 17.

    Add 55 and 57.

    Formula:Addition

    $\text{sum} = a + b$

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18. 18.

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

    Formula:Skip Counting

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

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19. 19.

    What is 17 − 15?

    Formula:Subtraction

    $\text{difference} = a - b$

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20. 20.

    Add 82 and 46.

    Formula:Addition

    $\text{sum} = a + b$

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