Mongolia · Grade 3 · Practice Sheet 35

1. 1.

   Continue the pattern by counting in 2s: 8, 10, ___

   Formula:Skip Counting

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

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2. 2.

   What is half of 8?

   Formula:Halving

   $h = n \div 2$

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3. 3.

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

   Formula:Adding Money

   $\text{total} = a + b$

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4. 4.

   There are 3 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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5. 5.

   What is 7 × 9?

   Formula:Multiplication (Times Tables)

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

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6. 6.

   How many tens are there in the number 48?

   Formula:Place Value

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

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7. 7.

   Add 19 + 12 + 9.

   Formula:Addition of Three Numbers

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

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8. 8.

   Subtract 29 from 79.

   Formula:Subtraction

   $\text{difference} = a - b$

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9. 9.

   Continue the pattern by counting in 10s: 0, 10, ___

   Formula:Skip Counting

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

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10. 10.

    Subtract 33 from 51.

    Formula:Subtraction

    $\text{difference} = a - b$

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11. 11.

    What is double 13?

    Formula:Doubling

    $d = 2 \times n$

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12. 12.

    Add 29 and 23.

    Formula:Addition

    $\text{sum} = a + b$

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13. 13.

    Fill in the missing number: 7 + ___ = 16.

    Formula:Missing Addend

    $b = \text{total} - a$

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14. 14.

    What is 9 × 7?

    Formula:Multiplication (Times Tables)

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

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15. 15.

    What is half of 28?

    Formula:Halving

    $h = n \div 2$

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16. 16.

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

    Formula:Adding Money

    $\text{total} = a + b$

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17. 17.

    How many tens are there in the number 84?

    Formula:Place Value

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

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18. 18.

    You have ₮9 and ₮2. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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19. 19.

    Add 59 and 35.

    Formula:Addition

    $\text{sum} = a + b$

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20. 20.

    Subtract 33 from 62.

    Formula:Subtraction

    $\text{difference} = a - b$

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