Philippines · Grade 3 · Practice Sheet 47

1. 1.

   Add 17 + 2 + 18.

   Formula:Addition of Three Numbers

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

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2. 2.

   Subtract 74 from 87.

   Formula:Subtraction

   $\text{difference} = a - b$

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3. 3.

   Fill in the missing number: 8 + ___ = 17.

   Formula:Missing Addend

   $b = \text{total} - a$

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4. 4.

   Subtract 28 from 34.

   Formula:Subtraction

   $\text{difference} = a - b$

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5. 5.

   Add 86 and 14.

   Formula:Addition

   $\text{sum} = a + b$

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6. 6.

   What is half of 14?

   Formula:Halving

   $h = n \div 2$

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7. 7.

   Continue the pattern by counting in 3s: 0, 3, ___

   Formula:Skip Counting

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

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8. 8.

   Add 21 and 22.

   Formula:Addition

   $\text{sum} = a + b$

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9. 9.

   Fill in the missing number: 8 + ___ = 11.

   Formula:Missing Addend

   $b = \text{total} - a$

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10. 10.

    Add 13 + 19 + 4.

    Formula:Addition of Three Numbers

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

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11. 11.

    What is double 19?

    Formula:Doubling

    $d = 2 \times n$

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12. 12.

    There are 4 bags with 8 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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13. 13.

    8 sweets are shared equally among 4 children. How many does each child get?

    Formula:Division (Equal Sharing)

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

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14. 14.

    What is half of 50?

    Formula:Halving

    $h = n \div 2$

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15. 15.

    30 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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16. 16.

    How many tens are there in the number 15?

    Formula:Place Value

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

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17. 17.

    30 sweets are shared equally among 6 children. How many does each child get?

    Formula:Division (Equal Sharing)

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

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18. 18.

    Add 6 + 18 + 6.

    Formula:Addition of Three Numbers

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

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19. 19.

    Add 22 and 16.

    Formula:Addition

    $\text{sum} = a + b$

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20. 20.

    Subtract 63 from 87.

    Formula:Subtraction

    $\text{difference} = a - b$

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