Indonesia · Grade 3 · Practice Sheet 22

1. 1.

   Add 81 and 6.

   Formula:Addition

   $\text{sum} = a + b$

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2. 2.

   Fill in the missing number: 6 + ___ = 21.

   Formula:Missing Addend

   $b = \text{total} - a$

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3. 3.

   Add 29 and 43.

   Formula:Addition

   $\text{sum} = a + b$

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4. 4.

   How many tens are there in the number 40?

   Formula:Place Value

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

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5. 5.

   You have Rp 7 and Rp 6. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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6. 6.

   What is double 24?

   Formula:Doubling

   $d = 2 \times n$

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7. 7.

   Continue the pattern by counting in 5s: 10, 15, ___

   Formula:Skip Counting

   $\text{next} = \text{term} + \text{step}$

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8. 8.

   How many tens are there in the number 30?

   Formula:Place Value

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

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9. 9.

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

   Formula:Adding Money

   $\text{total} = a + b$

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10. 10.

    There are 6 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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11. 11.

    Add 77 and 39.

    Formula:Addition

    $\text{sum} = a + b$

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12. 12.

    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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13. 13.

    Add 40 and 33.

    Formula:Addition

    $\text{sum} = a + b$

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14. 14.

    Fill in the missing number: 4 + ___ = 10.

    Formula:Missing Addend

    $b = \text{total} - a$

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15. 15.

    What is double 7?

    Formula:Doubling

    $d = 2 \times n$

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16. 16.

    You have Rp 5 and Rp 3. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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17. 17.

    What is half of 50?

    Formula:Halving

    $h = n \div 2$

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18. 18.

    Add 60 and 8.

    Formula:Addition

    $\text{sum} = a + b$

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19. 19.

    How many tens are there in the number 52?

    Formula:Place Value

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

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20. 20.

    What is half of 12?

    Formula:Halving

    $h = n \div 2$

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