Greece · Grade 1 · Practice Sheet 2

1. 1.

   Fill in the missing number: 14 + ___ = 17.

   Formula:Missing Addend

   $b = \text{total} - a$

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2. 2.

   Add 66 and 16.

   Formula:Addition

   $\text{sum} = a + b$

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3. 3.

   What is 6 − 3?

   Formula:Subtraction

   $\text{difference} = a - b$

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4. 4.

   Fill in the missing number: 2 + ___ = 4.

   Formula:Missing Addend

   $b = \text{total} - a$

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5. 5.

   Continue the pattern by counting in 10s: 20, 30, ___

   Formula:Skip Counting

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

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6. 6.

   What is 3 + 6?

   Formula:Addition

   $\text{sum} = a + b$

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7. 7.

   What is double 21?

   Formula:Doubling

   $d = 2 \times n$

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8. 8.

   Add 34 and 10.

   Formula:Addition

   $\text{sum} = a + b$

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9. 9.

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

   Formula:Skip Counting

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

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10. 10.

    What is 8 − 2?

    Formula:Subtraction

    $\text{difference} = a - b$

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11. 11.

    Add 74 and 41.

    Formula:Addition

    $\text{sum} = a + b$

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12. 12.

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

    Formula:Adding Money

    $\text{total} = a + b$

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13. 13.

    What is 6 + 2?

    Formula:Addition

    $\text{sum} = a + b$

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14. 14.

    Add 16 and 20.

    Formula:Addition

    $\text{sum} = a + b$

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15. 15.

    What is 16 − 6?

    Formula:Subtraction

    $\text{difference} = a - b$

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16. 16.

    What is double 8?

    Formula:Doubling

    $d = 2 \times n$

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17. 17.

    You have €7 and €2. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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18. 18.

    What is double 23?

    Formula:Doubling

    $d = 2 \times n$

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19. 19.

    What is 7 + 1?

    Formula:Addition

    $\text{sum} = a + b$

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20. 20.

    What is double 9?

    Formula:Doubling

    $d = 2 \times n$

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