Indonesia · Grade 3 · Practice Sheet 13

1. 1.

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

   Formula:Missing Addend

   $b = \text{total} - a$

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2. 2.

   What is half of 32?

   Formula:Halving

   $h = n \div 2$

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3. 3.

   What is 10 × 7?

   Formula:Multiplication (Times Tables)

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

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4. 4.

   Fill in the missing number: 12 + ___ = 15.

   Formula:Missing Addend

   $b = \text{total} - a$

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5. 5.

   You have Rp 4 and Rp 7. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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6. 6.

   How many tens are there in the number 23?

   Formula:Place Value

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

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7. 7.

   Subtract 16 from 80.

   Formula:Subtraction

   $\text{difference} = a - b$

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8. 8.

   How many tens are there in the number 44?

   Formula:Place Value

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

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9. 9.

   You have Rp 9 and Rp 8. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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10. 10.

    What is 6 × 5?

    Formula:Multiplication (Times Tables)

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

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11. 11.

    12 sweets are shared equally among 6 children. How many does each child get?

    Formula:Division (Equal Sharing)

    $\text{each} = \text{total} \div \text{groups}$

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12. 12.

    What is half of 12?

    Formula:Halving

    $h = n \div 2$

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13. 13.

    There are 4 bags with 3 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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14. 14.

    Add 29 and 50.

    Formula:Addition

    $\text{sum} = a + b$

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15. 15.

    Fill in the missing number: 15 + ___ = 26.

    Formula:Missing Addend

    $b = \text{total} - a$

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16. 16.

    What is 5 × 9?

    Formula:Multiplication (Times Tables)

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

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17. 17.

    8 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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18. 18.

    What is double 12?

    Formula:Doubling

    $d = 2 \times n$

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19. 19.

    How many tens are there in the number 42?

    Formula:Place Value

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

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20. 20.

    What is 8 × 4?

    Formula:Multiplication (Times Tables)

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

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