Mongolia · Grade 2 · Practice Sheet 10

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 8 − 1?

   Formula:Subtraction

   $\text{difference} = a - b$

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3. 3.

   How many tens are there in the number 89?

   Formula:Place Value

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

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4. 4.

   Add 61 and 23.

   Formula:Addition

   $\text{sum} = a + b$

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5. 5.

   What is 16 − 3?

   Formula:Subtraction

   $\text{difference} = a - b$

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6. 6.

   You have ₮2 and ₮8. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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7. 7.

   There are 2 bags with 2 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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8. 8.

   You have ₮3 and ₮2. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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9. 9.

   What is double 25?

   Formula:Doubling

   $d = 2 \times n$

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10. 10.

    Add 17 + 14 + 5.

    Formula:Addition of Three Numbers

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

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11. 11.

    What is double 14?

    Formula:Doubling

    $d = 2 \times n$

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12. 12.

    Subtract 27 from 58.

    Formula:Subtraction

    $\text{difference} = a - b$

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13. 13.

    Add 20 + 9 + 5.

    Formula:Addition of Three Numbers

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

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14. 14.

    What is 5 + 2?

    Formula:Addition

    $\text{sum} = a + b$

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15. 15.

    How many tens are there in the number 88?

    Formula:Place Value

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

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16. 16.

    Add 12 + 18 + 3.

    Formula:Addition of Three Numbers

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

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17. 17.

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

    Formula:Adding Money

    $\text{total} = a + b$

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18. 18.

    Add 63 and 47.

    Formula:Addition

    $\text{sum} = a + b$

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19. 19.

    What is 7 + 7?

    Formula:Addition

    $\text{sum} = a + b$

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20. 20.

    What is 17 − 16?

    Formula:Subtraction

    $\text{difference} = a - b$

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