Mexico · Grado 3 · Practice Sheet 14

1. 1.

   Add 15 + 2 + 20.

   Formula:Addition of Three Numbers

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

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2. 2.

   4 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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3. 3.

   What is 5 × 10?

   Formula:Multiplication (Times Tables)

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

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4. 4.

   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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5. 5.

   What is double 8?

   Formula:Doubling

   $d = 2 \times n$

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6. 6.

   Fill in the missing number: 2 + ___ = 13.

   Formula:Missing Addend

   $b = \text{total} - a$

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7. 7.

   What is double 16?

   Formula:Doubling

   $d = 2 \times n$

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8. 8.

   Add 7 + 15 + 3.

   Formula:Addition of Three Numbers

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

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9. 9.

   36 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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10. 10.

    Add 8 + 12 + 20.

    Formula:Addition of Three Numbers

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

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11. 11.

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

    Formula:Adding Money

    $\text{total} = a + b$

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12. 12.

    How many tens are there in the number 76?

    Formula:Place Value

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

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13. 13.

    Add 13 + 8 + 13.

    Formula:Addition of Three Numbers

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

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14. 14.

    What is half of 16?

    Formula:Halving

    $h = n \div 2$

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15. 15.

    What is 10 × 9?

    Formula:Multiplication (Times Tables)

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

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16. 16.

    Add 15 + 14 + 15.

    Formula:Addition of Three Numbers

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

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17. 17.

    What is 2 × 9?

    Formula:Multiplication (Times Tables)

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

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18. 18.

    6 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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19. 19.

    You have $6 and $7. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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20. 20.

    What is half of 22?

    Formula:Halving

    $h = n \div 2$

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