Mongolia · Grade 2 · Practice Sheet 46

1. 1.

   How many tens are there in the number 45?

   Formula:Place Value

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

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2. 2.

   Add 10 + 16 + 8.

   Formula:Addition of Three Numbers

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

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3. 3.

   What is 9 − 3?

   Formula:Subtraction

   $\text{difference} = a - b$

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4. 4.

   Add 5 + 19 + 17.

   Formula:Addition of Three Numbers

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

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5. 5.

   You have ₮5 and ₮6. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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6. 6.

   What is 6 + 5?

   Formula:Addition

   $\text{sum} = a + b$

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7. 7.

   Add 80 and 34.

   Formula:Addition

   $\text{sum} = a + b$

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8. 8.

   Fill in the missing number: 5 + ___ = 9.

   Formula:Missing Addend

   $b = \text{total} - a$

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9. 9.

   What is 5 − 1?

   Formula:Subtraction

   $\text{difference} = a - b$

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10. 10.

    Subtract 17 from 30.

    Formula:Subtraction

    $\text{difference} = a - b$

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11. 11.

    What is 5 × 3?

    Formula:Multiplication (Times Tables)

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

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12. 12.

    What is half of 22?

    Formula:Halving

    $h = n \div 2$

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13. 13.

    Continue the pattern by counting in 3s: 0, 3, ___

    Formula:Skip Counting

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

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14. 14.

    What is 4 + 7?

    Formula:Addition

    $\text{sum} = a + b$

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15. 15.

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

    Formula:Adding Money

    $\text{total} = a + b$

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16. 16.

    What is double 8?

    Formula:Doubling

    $d = 2 \times n$

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17. 17.

    Fill in the missing number: 15 + ___ = 20.

    Formula:Missing Addend

    $b = \text{total} - a$

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18. 18.

    There are 4 bags with 8 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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19. 19.

    What is double 23?

    Formula:Doubling

    $d = 2 \times n$

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20. 20.

    Fill in the missing number: 2 + ___ = 6.

    Formula:Missing Addend

    $b = \text{total} - a$

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