Mongolia · Grade 3 · Practice Sheet 36

1. 1.

   Subtract 13 from 98.

   Formula:Subtraction

   $\text{difference} = a - b$

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2. 2.

   What is half of 22?

   Formula:Halving

   $h = n \div 2$

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3. 3.

   How many tens are there in the number 80?

   Formula:Place Value

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

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4. 4.

   What is half of 24?

   Formula:Halving

   $h = n \div 2$

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5. 5.

   How many tens are there in the number 84?

   Formula:Place Value

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

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6. 6.

   Subtract 82 from 90.

   Formula:Subtraction

   $\text{difference} = a - b$

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7. 7.

   24 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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8. 8.

   Subtract 7 from 52.

   Formula:Subtraction

   $\text{difference} = a - b$

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9. 9.

   Fill in the missing number: 11 + ___ = 26.

   Formula:Missing Addend

   $b = \text{total} - a$

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10. 10.

    What is half of 18?

    Formula:Halving

    $h = n \div 2$

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11. 11.

    Continue the pattern by counting in 5s: 0, 5, ___

    Formula:Skip Counting

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

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12. 12.

    How many tens are there in the number 21?

    Formula:Place Value

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

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13. 13.

    Subtract 54 from 59.

    Formula:Subtraction

    $\text{difference} = a - b$

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14. 14.

    You have ₮8 and ₮1. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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15. 15.

    Subtract 8 from 30.

    Formula:Subtraction

    $\text{difference} = a - b$

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16. 16.

    Fill in the missing number: 4 + ___ = 16.

    Formula:Missing Addend

    $b = \text{total} - a$

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17. 17.

    How many tens are there in the number 61?

    Formula:Place Value

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

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18. 18.

    What is half of 10?

    Formula:Halving

    $h = n \div 2$

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19. 19.

    Add 88 and 57.

    Formula:Addition

    $\text{sum} = a + b$

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20. 20.

    How many tens are there in the number 25?

    Formula:Place Value

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

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