Mexico · Grado 1 · Practice Sheet 11

1. 1.

   Add 21 and 5.

   Formula:Addition

   $\text{sum} = a + b$

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2. 2.

   What is 5 − 4?

   Formula:Subtraction

   $\text{difference} = a - b$

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3. 3.

   You have $8 and $4. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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4. 4.

   What is double 13?

   Formula:Doubling

   $d = 2 \times n$

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5. 5.

   Continue the pattern by counting in 5s: 15, 20, ___

   Formula:Skip Counting

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

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6. 6.

   What is 6 + 4?

   Formula:Addition

   $\text{sum} = a + b$

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7. 7.

   What is 15 − 8?

   Formula:Subtraction

   $\text{difference} = a - b$

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8. 8.

   Continue the pattern by counting in 3s: 3, 6, ___

   Formula:Skip Counting

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

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9. 9.

   What is 6 + 9?

   Formula:Addition

   $\text{sum} = a + b$

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10. 10.

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

    Formula:Skip Counting

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

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11. 11.

    What is 5 + 1?

    Formula:Addition

    $\text{sum} = a + b$

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12. 12.

    Add 51 and 31.

    Formula:Addition

    $\text{sum} = a + b$

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13. 13.

    What is 6 + 3?

    Formula:Addition

    $\text{sum} = a + b$

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14. 14.

    You have $7 and $6. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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15. 15.

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

    Formula:Skip Counting

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

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16. 16.

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

    Formula:Adding Money

    $\text{total} = a + b$

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17. 17.

    What is double 12?

    Formula:Doubling

    $d = 2 \times n$

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18. 18.

    Add 48 and 51.

    Formula:Addition

    $\text{sum} = a + b$

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19. 19.

    What is 9 + 2?

    Formula:Addition

    $\text{sum} = a + b$

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20. 20.

    Add 27 and 40.

    Formula:Addition

    $\text{sum} = a + b$

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