Tunisia · Grade 3 · Practice Sheet 25

1. 1.

   Fill in the missing number: 14 + ___ = 17.

   Formula:Missing Addend

   $b = \text{total} - a$

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2. 2.

   You have DT 5 and DT 4. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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3. 3.

   Add 45 and 53.

   Formula:Addition

   $\text{sum} = a + b$

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4. 4.

   Add 17 + 3 + 9.

   Formula:Addition of Three Numbers

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

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5. 5.

   Add 52 and 26.

   Formula:Addition

   $\text{sum} = a + b$

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6. 6.

   What is 2 × 9?

   Formula:Multiplication (Times Tables)

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

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7. 7.

   Fill in the missing number: 2 + ___ = 4.

   Formula:Missing Addend

   $b = \text{total} - a$

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8. 8.

   What is double 22?

   Formula:Doubling

   $d = 2 \times n$

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9. 9.

   Add 65 and 43.

   Formula:Addition

   $\text{sum} = a + b$

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10. 10.

    Add 15 + 15 + 2.

    Formula:Addition of Three Numbers

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

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11. 11.

    Add 87 and 27.

    Formula:Addition

    $\text{sum} = a + b$

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12. 12.

    Fill in the missing number: 10 + ___ = 12.

    Formula:Missing Addend

    $b = \text{total} - a$

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13. 13.

    What is half of 42?

    Formula:Halving

    $h = n \div 2$

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14. 14.

    There are 4 bags with 6 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.

    What is double 10?

    Formula:Doubling

    $d = 2 \times n$

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16. 16.

    What is half of 36?

    Formula:Halving

    $h = n \div 2$

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17. 17.

    Add 70 and 23.

    Formula:Addition

    $\text{sum} = a + b$

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18. 18.

    Subtract 15 from 56.

    Formula:Subtraction

    $\text{difference} = a - b$

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19. 19.

    What is double 23?

    Formula:Doubling

    $d = 2 \times n$

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20. 20.

    Add 9 + 12 + 11.

    Formula:Addition of Three Numbers

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

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