Romania · Grade 2 · Practice Sheet 21

1. 1.

   What is double 18?

   Formula:Doubling

   $d = 2 \times n$

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2. 2.

   What is half of 8?

   Formula:Halving

   $h = n \div 2$

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3. 3.

   Add 14 and 22.

   Formula:Addition

   $\text{sum} = a + b$

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4. 4.

   What is 6 + 1?

   Formula:Addition

   $\text{sum} = a + b$

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5. 5.

   What is half of 20?

   Formula:Halving

   $h = n \div 2$

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6. 6.

   Add 40 and 49.

   Formula:Addition

   $\text{sum} = a + b$

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7. 7.

   What is 7 + 2?

   Formula:Addition

   $\text{sum} = a + b$

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8. 8.

   How many tens are there in the number 60?

   Formula:Place Value

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

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9. 9.

   Add 29 and 28.

   Formula:Addition

   $\text{sum} = a + b$

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10. 10.

    What is half of 16?

    Formula:Halving

    $h = n \div 2$

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11. 11.

    What is 5 − 2?

    Formula:Subtraction

    $\text{difference} = a - b$

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12. 12.

    Add 18 and 10.

    Formula:Addition

    $\text{sum} = a + b$

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13. 13.

    What is double 18?

    Formula:Doubling

    $d = 2 \times n$

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14. 14.

    Subtract 60 from 81.

    Formula:Subtraction

    $\text{difference} = a - b$

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15. 15.

    What is 1 + 2?

    Formula:Addition

    $\text{sum} = a + b$

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16. 16.

    What is 10 − 7?

    Formula:Subtraction

    $\text{difference} = a - b$

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17. 17.

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

    Formula:Skip Counting

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

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18. 18.

    What is double 20?

    Formula:Doubling

    $d = 2 \times n$

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19. 19.

    Add 15 + 2 + 7.

    Formula:Addition of Three Numbers

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

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20. 20.

    You have lei 9 and lei 6. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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