Chile · Grado 2 · Practice Sheet 10

1. 1.

   How many tens are there in the number 30?

   Formula:Place Value

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

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2. 2.

   Continue the pattern by counting in 2s: 4, 6, ___

   Formula:Skip Counting

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

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3. 3.

   Subtract 42 from 95.

   Formula:Subtraction

   $\text{difference} = a - b$

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4. 4.

   What is double 6?

   Formula:Doubling

   $d = 2 \times n$

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5. 5.

   You have $1 and $6. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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6. 6.

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

   Formula:Skip Counting

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

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7. 7.

   What is 7 + 2?

   Formula:Addition

   $\text{sum} = a + b$

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8. 8.

   Continue the pattern by counting in 10s: 10, 20, ___

   Formula:Skip Counting

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

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9. 9.

   You have $4 and $8. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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10. 10.

    What is 4 + 4?

    Formula:Addition

    $\text{sum} = a + b$

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11. 11.

    What is half of 14?

    Formula:Halving

    $h = n \div 2$

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12. 12.

    What is 15 − 4?

    Formula:Subtraction

    $\text{difference} = a - b$

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13. 13.

    How many tens are there in the number 19?

    Formula:Place Value

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

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14. 14.

    Subtract 7 from 48.

    Formula:Subtraction

    $\text{difference} = a - b$

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15. 15.

    Add 17 + 17 + 9.

    Formula:Addition of Three Numbers

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

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16. 16.

    You have $6 and $2. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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17. 17.

    There are 2 bags with 7 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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18. 18.

    What is double 9?

    Formula:Doubling

    $d = 2 \times n$

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19. 19.

    Add 14 + 17 + 18.

    Formula:Addition of Three Numbers

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

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20. 20.

    How many tens are there in the number 50?

    Formula:Place Value

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

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