Colombia · Grado 2 · Practice Sheet 38

1. 1.

   What is 16 − 15?

   Formula:Subtraction

   $\text{difference} = a - b$

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2. 2.

   What is half of 8?

   Formula:Halving

   $h = n \div 2$

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3. 3.

   Add 60 and 20.

   Formula:Addition

   $\text{sum} = a + b$

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4. 4.

   Subtract 24 from 33.

   Formula:Subtraction

   $\text{difference} = a - b$

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5. 5.

   Continue the pattern by counting in 10s: 0, 10, ___

   Formula:Skip Counting

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

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6. 6.

   What is 8 + 1?

   Formula:Addition

   $\text{sum} = a + b$

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7. 7.

   Fill in the missing number: 11 + ___ = 15.

   Formula:Missing Addend

   $b = \text{total} - a$

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8. 8.

   What is 9 × 2?

   Formula:Multiplication (Times Tables)

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

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9. 9.

   Add 15 + 11 + 15.

   Formula:Addition of Three Numbers

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

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10. 10.

    What is double 5?

    Formula:Doubling

    $d = 2 \times n$

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11. 11.

    What is 2 × 5?

    Formula:Multiplication (Times Tables)

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

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12. 12.

    Add 9 + 15 + 7.

    Formula:Addition of Three Numbers

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

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13. 13.

    What is 17 − 3?

    Formula:Subtraction

    $\text{difference} = a - b$

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14. 14.

    What is double 17?

    Formula:Doubling

    $d = 2 \times n$

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15. 15.

    There are 5 bags with 3 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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16. 16.

    Add 56 and 29.

    Formula:Addition

    $\text{sum} = a + b$

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17. 17.

    Add 9 + 11 + 12.

    Formula:Addition of Three Numbers

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

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18. 18.

    What is 4 × 8?

    Formula:Multiplication (Times Tables)

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

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19. 19.

    There are 5 bags with 6 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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20. 20.

    You have $2 and $1. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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