Bangladesh · Class 3 · Practice Sheet 37

1. 1.

   Add 10 + 14 + 7.

   Formula:Addition of Three Numbers

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

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2. 2.

   Subtract 19 from 54.

   Formula:Subtraction

   $\text{difference} = a - b$

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3. 3.

   Fill in the missing number: 12 + ___ = 23.

   Formula:Missing Addend

   $b = \text{total} - a$

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4. 4.

   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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5. 5.

   Fill in the missing number: 4 + ___ = 15.

   Formula:Missing Addend

   $b = \text{total} - a$

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6. 6.

   What is double 21?

   Formula:Doubling

   $d = 2 \times n$

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7. 7.

   Add 2 + 11 + 13.

   Formula:Addition of Three Numbers

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

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8. 8.

   What is half of 44?

   Formula:Halving

   $h = n \div 2$

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9. 9.

   Subtract 30 from 60.

   Formula:Subtraction

   $\text{difference} = a - b$

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10. 10.

    What is double 13?

    Formula:Doubling

    $d = 2 \times n$

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11. 11.

    Add 18 + 6 + 2.

    Formula:Addition of Three Numbers

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

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12. 12.

    Fill in the missing number: 11 + ___ = 18.

    Formula:Missing Addend

    $b = \text{total} - a$

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13. 13.

    Add 79 and 56.

    Formula:Addition

    $\text{sum} = a + b$

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14. 14.

    There are 5 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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15. 15.

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

    Formula:Adding Money

    $\text{total} = a + b$

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16. 16.

    What is double 13?

    Formula:Doubling

    $d = 2 \times n$

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17. 17.

    Add 9 + 6 + 16.

    Formula:Addition of Three Numbers

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

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18. 18.

    What is double 7?

    Formula:Doubling

    $d = 2 \times n$

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19. 19.

    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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20. 20.

    Add 58 and 30.

    Formula:Addition

    $\text{sum} = a + b$

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