Ecuador · Grado 2 · Practice Sheet 49

1. 1.

   What is 9 + 3?

   Formula:Addition

   $\text{sum} = a + b$

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2. 2.

   What is 8 − 6?

   Formula:Subtraction

   $\text{difference} = a - b$

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3. 3.

   Fill in the missing number: 10 + ___ = 20.

   Formula:Missing Addend

   $b = \text{total} - a$

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4. 4.

   Subtract 24 from 42.

   Formula:Subtraction

   $\text{difference} = a - b$

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5. 5.

   There are 2 bags with 2 apples in each bag. How many apples are there in total?

   Formula:Multiplication as Repeated Addition

   $\text{total} = \text{groups} \times \text{size}$

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6. 6.

   What is 5 × 3?

   Formula:Multiplication (Times Tables)

   $\text{product} = a \times b$

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7. 7.

   What is double 12?

   Formula:Doubling

   $d = 2 \times n$

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8. 8.

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

   Formula:Adding Money

   $\text{total} = a + b$

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9. 9.

   How many tens are there in the number 61?

   Formula:Place Value

   $\text{value} = \text{tens} \times 10 + \text{ones}$

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10. 10.

    What is 9 + 7?

    Formula:Addition

    $\text{sum} = a + b$

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11. 11.

    Subtract 14 from 47.

    Formula:Subtraction

    $\text{difference} = a - b$

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12. 12.

    Add 19 and 29.

    Formula:Addition

    $\text{sum} = a + b$

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13. 13.

    What is 8 − 6?

    Formula:Subtraction

    $\text{difference} = a - b$

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14. 14.

    Subtract 25 from 62.

    Formula:Subtraction

    $\text{difference} = a - b$

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15. 15.

    What is 9 − 2?

    Formula:Subtraction

    $\text{difference} = a - b$

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16. 16.

    You have $9 and $5. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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17. 17.

    What is 5 + 9?

    Formula:Addition

    $\text{sum} = a + b$

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18. 18.

    Add 11 + 13 + 20.

    Formula:Addition of Three Numbers

    $\text{sum} = a + b + c$

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19. 19.

    What is 14 − 6?

    Formula:Subtraction

    $\text{difference} = a - b$

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20. 20.

    What is double 19?

    Formula:Doubling

    $d = 2 \times n$

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