Ghana · Grade 3 · Practice Sheet 28

1. 1.

   Add 39 and 51.

   Formula:Addition

   $\text{sum} = a + b$

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2. 2.

   Add 15 + 13 + 10.

   Formula:Addition of Three Numbers

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

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3. 3.

   What is half of 48?

   Formula:Halving

   $h = n \div 2$

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4. 4.

   Fill in the missing number: 10 + ___ = 15.

   Formula:Missing Addend

   $b = \text{total} - a$

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5. 5.

   How many tens are there in the number 57?

   Formula:Place Value

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

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6. 6.

   Subtract 21 from 83.

   Formula:Subtraction

   $\text{difference} = a - b$

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7. 7.

   How many tens are there in the number 97?

   Formula:Place Value

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

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8. 8.

   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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9. 9.

   What is double 4?

   Formula:Doubling

   $d = 2 \times n$

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10. 10.

    What is half of 32?

    Formula:Halving

    $h = n \div 2$

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11. 11.

    Add 13 + 17 + 16.

    Formula:Addition of Three Numbers

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

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12. 12.

    How many tens are there in the number 34?

    Formula:Place Value

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

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13. 13.

    Subtract 12 from 59.

    Formula:Subtraction

    $\text{difference} = a - b$

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14. 14.

    Fill in the missing number: 11 + ___ = 25.

    Formula:Missing Addend

    $b = \text{total} - a$

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15. 15.

    What is double 20?

    Formula:Doubling

    $d = 2 \times n$

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16. 16.

    Fill in the missing number: 2 + ___ = 11.

    Formula:Missing Addend

    $b = \text{total} - a$

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17. 17.

    Add 20 + 10 + 13.

    Formula:Addition of Three Numbers

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

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18. 18.

    There are 4 bags with 4 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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19. 19.

    What is double 5?

    Formula:Doubling

    $d = 2 \times n$

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20. 20.

    Add 8 + 11 + 13.

    Formula:Addition of Three Numbers

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

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