Czechia · Grade 2 · Practice Sheet 20

1. 1.

   What is double 22?

   Formula:Doubling

   $d = 2 \times n$

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2. 2.

   What is half of 46?

   Formula:Halving

   $h = n \div 2$

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3. 3.

   Add 2 + 11 + 6.

   Formula:Addition of Three Numbers

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

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4. 4.

   Add 43 and 29.

   Formula:Addition

   $\text{sum} = a + b$

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5. 5.

   How many tens are there in the number 44?

   Formula:Place Value

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

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6. 6.

   What is 5 − 3?

   Formula:Subtraction

   $\text{difference} = a - b$

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7. 7.

   Add 6 + 5 + 20.

   Formula:Addition of Three Numbers

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

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8. 8.

   What is double 9?

   Formula:Doubling

   $d = 2 \times n$

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9. 9.

   How many tens are there in the number 60?

   Formula:Place Value

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

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10. 10.

    Continue the pattern by counting in 5s: 15, 20, ___

    Formula:Skip Counting

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

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11. 11.

    What is half of 46?

    Formula:Halving

    $h = n \div 2$

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12. 12.

    Add 64 and 53.

    Formula:Addition

    $\text{sum} = a + b$

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13. 13.

    What is double 16?

    Formula:Doubling

    $d = 2 \times n$

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14. 14.

    What is 6 − 2?

    Formula:Subtraction

    $\text{difference} = a - b$

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15. 15.

    Fill in the missing number: 6 + ___ = 19.

    Formula:Missing Addend

    $b = \text{total} - a$

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16. 16.

    What is 9 + 4?

    Formula:Addition

    $\text{sum} = a + b$

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17. 17.

    How many tens are there in the number 82?

    Formula:Place Value

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

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18. 18.

    What is half of 14?

    Formula:Halving

    $h = n \div 2$

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19. 19.

    Subtract 65 from 86.

    Formula:Subtraction

    $\text{difference} = a - b$

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20. 20.

    How many tens are there in the number 42?

    Formula:Place Value

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

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