Colombia · Grado 3 · Practice Sheet 30

1. 1.

   Add 17 + 11 + 9.

   Formula:Addition of Three Numbers

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

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2. 2.

   What is double 8?

   Formula:Doubling

   $d = 2 \times n$

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3. 3.

   Fill in the missing number: 6 + ___ = 12.

   Formula:Missing Addend

   $b = \text{total} - a$

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4. 4.

   18 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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5. 5.

   What is 4 × 2?

   Formula:Multiplication (Times Tables)

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

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6. 6.

   What is double 6?

   Formula:Doubling

   $d = 2 \times n$

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7. 7.

   Add 70 and 5.

   Formula:Addition

   $\text{sum} = a + b$

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8. 8.

   What is half of 4?

   Formula:Halving

   $h = n \div 2$

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9. 9.

   Add 3 + 7 + 9.

   Formula:Addition of Three Numbers

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

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10. 10.

    What is 9 × 9?

    Formula:Multiplication (Times Tables)

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

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11. 11.

    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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12. 12.

    Add 44 and 8.

    Formula:Addition

    $\text{sum} = a + b$

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13. 13.

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

    Formula:Skip Counting

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

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14. 14.

    Add 77 and 46.

    Formula:Addition

    $\text{sum} = a + b$

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15. 15.

    What is half of 12?

    Formula:Halving

    $h = n \div 2$

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16. 16.

    You have $9 and $1. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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17. 17.

    Add 13 + 7 + 7.

    Formula:Addition of Three Numbers

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

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18. 18.

    What is 4 × 9?

    Formula:Multiplication (Times Tables)

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

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19. 19.

    Add 15 and 16.

    Formula:Addition

    $\text{sum} = a + b$

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20. 20.

    8 sweets are shared equally among 2 children. How many does each child get?

    Formula:Division (Equal Sharing)

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

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