Ecuador · Grado 2 · Practice Sheet 10

1. 1.

   Add 37 and 10.

   Formula:Addition

   $\text{sum} = a + b$

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2. 2.

   You have $2 and $6. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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3. 3.

   What is double 3?

   Formula:Doubling

   $d = 2 \times n$

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4. 4.

   Continue the pattern by counting in 3s: 6, 9, ___

   Formula:Skip Counting

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

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5. 5.

   Subtract 43 from 59.

   Formula:Subtraction

   $\text{difference} = a - b$

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6. 6.

   Fill in the missing number: 15 + ___ = 22.

   Formula:Missing Addend

   $b = \text{total} - a$

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7. 7.

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

   Formula:Adding Money

   $\text{total} = a + b$

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8. 8.

   Add 6 + 17 + 7.

   Formula:Addition of Three Numbers

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

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9. 9.

   Fill in the missing number: 4 + ___ = 19.

   Formula:Missing Addend

   $b = \text{total} - a$

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10. 10.

    What is 14 − 12?

    Formula:Subtraction

    $\text{difference} = a - b$

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11. 11.

    There are 2 bags with 5 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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12. 12.

    What is 15 − 4?

    Formula:Subtraction

    $\text{difference} = a - b$

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13. 13.

    What is double 10?

    Formula:Doubling

    $d = 2 \times n$

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14. 14.

    Add 14 + 6 + 5.

    Formula:Addition of Three Numbers

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

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15. 15.

    Subtract 68 from 90.

    Formula:Subtraction

    $\text{difference} = a - b$

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16. 16.

    Fill in the missing number: 11 + ___ = 17.

    Formula:Missing Addend

    $b = \text{total} - a$

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17. 17.

    How many tens are there in the number 67?

    Formula:Place Value

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

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18. 18.

    Subtract 28 from 54.

    Formula:Subtraction

    $\text{difference} = a - b$

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19. 19.

    What is 9 + 4?

    Formula:Addition

    $\text{sum} = a + b$

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20. 20.

    Subtract 25 from 71.

    Formula:Subtraction

    $\text{difference} = a - b$

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