Peru · Grado 3 · Practice Sheet 18

1. 1.

   Subtract 26 from 62.

   Formula:Subtraction

   $\text{difference} = a - b$

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2. 2.

   Add 19 + 4 + 13.

   Formula:Addition of Three Numbers

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

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3. 3.

   What is half of 18?

   Formula:Halving

   $h = n \div 2$

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4. 4.

   Add 4 + 8 + 19.

   Formula:Addition of Three Numbers

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

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5. 5.

   How many tens are there in the number 52?

   Formula:Place Value

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

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6. 6.

   What is double 22?

   Formula:Doubling

   $d = 2 \times n$

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7. 7.

   Subtract 19 from 44.

   Formula:Subtraction

   $\text{difference} = a - b$

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8. 8.

   How many tens are there in the number 40?

   Formula:Place Value

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

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9. 9.

   Add 17 + 13 + 7.

   Formula:Addition of Three Numbers

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

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10. 10.

    How many tens are there in the number 97?

    Formula:Place Value

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

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11. 11.

    What is double 11?

    Formula:Doubling

    $d = 2 \times n$

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12. 12.

    14 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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13. 13.

    Add 42 and 41.

    Formula:Addition

    $\text{sum} = a + b$

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14. 14.

    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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15. 15.

    What is half of 8?

    Formula:Halving

    $h = n \div 2$

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16. 16.

    What is double 15?

    Formula:Doubling

    $d = 2 \times n$

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17. 17.

    You have S/ 5 and S/ 8. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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18. 18.

    Fill in the missing number: 14 + ___ = 19.

    Formula:Missing Addend

    $b = \text{total} - a$

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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.

    What is double 11?

    Formula:Doubling

    $d = 2 \times n$

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