Peru · Grado 3 · Practice Sheet 39

1. 1.

   Add 8 + 6 + 11.

   Formula:Addition of Three Numbers

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

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2. 2.

   What is double 25?

   Formula:Doubling

   $d = 2 \times n$

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3. 3.

   What is half of 24?

   Formula:Halving

   $h = n \div 2$

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4. 4.

   Add 16 + 8 + 18.

   Formula:Addition of Three Numbers

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

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5. 5.

   15 sweets are shared equally among 3 children. How many does each child get?

   Formula:Division (Equal Sharing)

   $\text{each} = \text{total} \div \text{groups}$

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6. 6.

   There are 5 bags with 4 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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7. 7.

   What is 10 × 3?

   Formula:Multiplication (Times Tables)

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

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8. 8.

   You have S/ 9 and S/ 4. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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9. 9.

   What is half of 12?

   Formula:Halving

   $h = n \div 2$

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10. 10.

    You have S/ 4 and S/ 1. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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11. 11.

    Add 17 + 17 + 16.

    Formula:Addition of Three Numbers

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

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12. 12.

    40 sweets are shared equally among 5 children. How many does each child get?

    Formula:Division (Equal Sharing)

    $\text{each} = \text{total} \div \text{groups}$

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13. 13.

    Fill in the missing number: 9 + ___ = 18.

    Formula:Missing Addend

    $b = \text{total} - a$

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14. 14.

    Subtract 27 from 39.

    Formula:Subtraction

    $\text{difference} = a - b$

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15. 15.

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

    Formula:Skip Counting

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

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16. 16.

    Subtract 10 from 44.

    Formula:Subtraction

    $\text{difference} = a - b$

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17. 17.

    Fill in the missing number: 4 + ___ = 13.

    Formula:Missing Addend

    $b = \text{total} - a$

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18. 18.

    Add 7 + 14 + 16.

    Formula:Addition of Three Numbers

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

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19. 19.

    You have S/ 3 and S/ 4. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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20. 20.

    Fill in the missing number: 7 + ___ = 13.

    Formula:Missing Addend

    $b = \text{total} - a$

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