Uganda · Grade 1 · Practice Sheet 45

1. 1.

   What is double 16?

   Formula:Doubling

   $d = 2 \times n$

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2. 2.

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

   Formula:Skip Counting

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

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3. 3.

   What is double 22?

   Formula:Doubling

   $d = 2 \times n$

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4. 4.

   Add 12 and 21.

   Formula:Addition

   $\text{sum} = a + b$

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5. 5.

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

   Formula:Skip Counting

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

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6. 6.

   What is double 14?

   Formula:Doubling

   $d = 2 \times n$

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7. 7.

   What is 8 + 2?

   Formula:Addition

   $\text{sum} = a + b$

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8. 8.

   What is 18 − 15?

   Formula:Subtraction

   $\text{difference} = a - b$

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9. 9.

   Add 48 and 48.

   Formula:Addition

   $\text{sum} = a + b$

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10. 10.

    What is 11 − 6?

    Formula:Subtraction

    $\text{difference} = a - b$

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11. 11.

    What is 7 + 2?

    Formula:Addition

    $\text{sum} = a + b$

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12. 12.

    Add 88 and 19.

    Formula:Addition

    $\text{sum} = a + b$

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13. 13.

    What is 10 − 8?

    Formula:Subtraction

    $\text{difference} = a - b$

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14. 14.

    Add 51 and 28.

    Formula:Addition

    $\text{sum} = a + b$

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15. 15.

    What is 6 + 2?

    Formula:Addition

    $\text{sum} = a + b$

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16. 16.

    Add 12 and 33.

    Formula:Addition

    $\text{sum} = a + b$

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17. 17.

    What is 3 + 6?

    Formula:Addition

    $\text{sum} = a + b$

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18. 18.

    What is 5 − 4?

    Formula:Subtraction

    $\text{difference} = a - b$

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19. 19.

    Fill in the missing number: 8 + ___ = 22.

    Formula:Missing Addend

    $b = \text{total} - a$

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20. 20.

    What is 9 + 9?

    Formula:Addition

    $\text{sum} = a + b$

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