Ecuador · Grado 2 · Practice Sheet 42

1. 1.

   What is double 16?

   Formula:Doubling

   $d = 2 \times n$

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2. 2.

   Continue the pattern by counting in 2s: 8, 10, ___

   Formula:Skip Counting

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

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3. 3.

   Subtract 72 from 83.

   Formula:Subtraction

   $\text{difference} = a - b$

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4. 4.

   What is double 17?

   Formula:Doubling

   $d = 2 \times n$

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5. 5.

   What is half of 16?

   Formula:Halving

   $h = n \div 2$

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6. 6.

   How many tens are there in the number 15?

   Formula:Place Value

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

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7. 7.

   What is half of 12?

   Formula:Halving

   $h = n \div 2$

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8. 8.

   What is 7 × 4?

   Formula:Multiplication (Times Tables)

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

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9. 9.

   What is 1 + 4?

   Formula:Addition

   $\text{sum} = a + b$

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10. 10.

    What is double 18?

    Formula:Doubling

    $d = 2 \times n$

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11. 11.

    What is 6 + 1?

    Formula:Addition

    $\text{sum} = a + b$

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12. 12.

    Add 76 and 44.

    Formula:Addition

    $\text{sum} = a + b$

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13. 13.

    How many tens are there in the number 27?

    Formula:Place Value

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

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14. 14.

    What is 9 − 3?

    Formula:Subtraction

    $\text{difference} = a - b$

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15. 15.

    What is double 17?

    Formula:Doubling

    $d = 2 \times n$

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16. 16.

    What is 4 × 7?

    Formula:Multiplication (Times Tables)

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

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17. 17.

    How many tens are there in the number 14?

    Formula:Place Value

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

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18. 18.

    You have $2 and $9. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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19. 19.

    How many tens are there in the number 41?

    Formula:Place Value

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

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20. 20.

    Subtract 65 from 72.

    Formula:Subtraction

    $\text{difference} = a - b$

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