Ghana · Grade 3 · Practice Sheet 47

1. 1.

   What is double 18?

   Formula:Doubling

   $d = 2 \times n$

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2. 2.

   What is half of 10?

   Formula:Halving

   $h = n \div 2$

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3. 3.

   There are 5 bags with 5 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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4. 4.

   Fill in the missing number: 15 + ___ = 18.

   Formula:Missing Addend

   $b = \text{total} - a$

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5. 5.

   You have GH₵ 4 and GH₵ 4. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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6. 6.

   Add 7 + 4 + 9.

   Formula:Addition of Three Numbers

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

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7. 7.

   You have GH₵ 6 and GH₵ 6. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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8. 8.

   Fill in the missing number: 7 + ___ = 18.

   Formula:Missing Addend

   $b = \text{total} - a$

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9. 9.

   Add 19 + 20 + 11.

   Formula:Addition of Three Numbers

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

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10. 10.

    Subtract 37 from 92.

    Formula:Subtraction

    $\text{difference} = a - b$

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11. 11.

    There are 6 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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12. 12.

    What is double 13?

    Formula:Doubling

    $d = 2 \times n$

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13. 13.

    How many tens are there in the number 88?

    Formula:Place Value

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

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14. 14.

    Add 88 and 46.

    Formula:Addition

    $\text{sum} = a + b$

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15. 15.

    Subtract 23 from 59.

    Formula:Subtraction

    $\text{difference} = a - b$

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16. 16.

    Fill in the missing number: 4 + ___ = 13.

    Formula:Missing Addend

    $b = \text{total} - a$

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17. 17.

    What is double 9?

    Formula:Doubling

    $d = 2 \times n$

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18. 18.

    Fill in the missing number: 2 + ___ = 7.

    Formula:Missing Addend

    $b = \text{total} - a$

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19. 19.

    What is double 2?

    Formula:Doubling

    $d = 2 \times n$

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20. 20.

    How many tens are there in the number 45?

    Formula:Place Value

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

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