Mexico · Grado 2 · Practice Sheet 22

1. 1.

   What is half of 50?

   Formula:Halving

   $h = n \div 2$

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2. 2.

   What is 9 − 1?

   Formula:Subtraction

   $\text{difference} = a - b$

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3. 3.

   How many tens are there in the number 63?

   Formula:Place Value

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

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4. 4.

   What is double 8?

   Formula:Doubling

   $d = 2 \times n$

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5. 5.

   Add 12 + 5 + 10.

   Formula:Addition of Three Numbers

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

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6. 6.

   What is half of 36?

   Formula:Halving

   $h = n \div 2$

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7. 7.

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

   Formula:Skip Counting

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

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8. 8.

   What is 2 + 9?

   Formula:Addition

   $\text{sum} = a + b$

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9. 9.

   Subtract 5 from 97.

   Formula:Subtraction

   $\text{difference} = a - b$

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10. 10.

    You have $2 and $1. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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11. 11.

    What is double 16?

    Formula:Doubling

    $d = 2 \times n$

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12. 12.

    How many tens are there in the number 35?

    Formula:Place Value

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

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13. 13.

    What is 3 + 5?

    Formula:Addition

    $\text{sum} = a + b$

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14. 14.

    What is 6 − 2?

    Formula:Subtraction

    $\text{difference} = a - b$

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15. 15.

    Add 12 and 46.

    Formula:Addition

    $\text{sum} = a + b$

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16. 16.

    Continue the pattern by counting in 3s: 6, 9, ___

    Formula:Skip Counting

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

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17. 17.

    What is 9 + 4?

    Formula:Addition

    $\text{sum} = a + b$

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18. 18.

    Subtract 39 from 44.

    Formula:Subtraction

    $\text{difference} = a - b$

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19. 19.

    How many tens are there in the number 48?

    Formula:Place Value

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

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20. 20.

    Add 19 + 17 + 6.

    Formula:Addition of Three Numbers

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

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