Ecuador · Grado 3 · Practice Sheet 1

1. 1.

   You have $7 and $1. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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2. 2.

   What is half of 28?

   Formula:Halving

   $h = n \div 2$

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3. 3.

   Add 8 + 12 + 16.

   Formula:Addition of Three Numbers

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

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4. 4.

   20 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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5. 5.

   Continue the pattern by counting in 10s: 20, 30, ___

   Formula:Skip Counting

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

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6. 6.

   Add 30 and 58.

   Formula:Addition

   $\text{sum} = a + b$

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7. 7.

   How many tens are there in the number 14?

   Formula:Place Value

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

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8. 8.

   What is 5 × 9?

   Formula:Multiplication (Times Tables)

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

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9. 9.

   Add 13 and 57.

   Formula:Addition

   $\text{sum} = a + b$

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10. 10.

    Fill in the missing number: 5 + ___ = 8.

    Formula:Missing Addend

    $b = \text{total} - a$

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11. 11.

    You have $8 and $4. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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12. 12.

    12 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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13. 13.

    What is half of 46?

    Formula:Halving

    $h = n \div 2$

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14. 14.

    Add 8 + 5 + 3.

    Formula:Addition of Three Numbers

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

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15. 15.

    Continue the pattern by counting in 10s: 30, 40, ___

    Formula:Skip Counting

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

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16. 16.

    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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17. 17.

    What is double 20?

    Formula:Doubling

    $d = 2 \times n$

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18. 18.

    You have $2 and $3. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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19. 19.

    Add 15 + 20 + 19.

    Formula:Addition of Three Numbers

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

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20. 20.

    You have $5 and $2. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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