Peru · Grado 2 · Practice Sheet 10

1. 1.

   Continue the pattern by counting in 5s: 10, 15, ___

   Formula:Skip Counting

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

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2. 2.

   Fill in the missing number: 9 + ___ = 22.

   Formula:Missing Addend

   $b = \text{total} - a$

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3. 3.

   What is 9 + 4?

   Formula:Addition

   $\text{sum} = a + b$

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4. 4.

   How many tens are there in the number 51?

   Formula:Place Value

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

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5. 5.

   Add 19 + 15 + 8.

   Formula:Addition of Three Numbers

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

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6. 6.

   Subtract 24 from 33.

   Formula:Subtraction

   $\text{difference} = a - b$

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7. 7.

   Add 28 and 55.

   Formula:Addition

   $\text{sum} = a + b$

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8. 8.

   What is 16 − 8?

   Formula:Subtraction

   $\text{difference} = a - b$

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9. 9.

   Subtract 78 from 98.

   Formula:Subtraction

   $\text{difference} = a - b$

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10. 10.

    What is 4 + 5?

    Formula:Addition

    $\text{sum} = a + b$

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11. 11.

    You have S/ 2 and S/ 2. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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12. 12.

    How many tens are there in the number 63?

    Formula:Place Value

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

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13. 13.

    What is 6 + 7?

    Formula:Addition

    $\text{sum} = a + b$

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14. 14.

    What is half of 10?

    Formula:Halving

    $h = n \div 2$

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15. 15.

    What is double 11?

    Formula:Doubling

    $d = 2 \times n$

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16. 16.

    What is 8 + 4?

    Formula:Addition

    $\text{sum} = a + b$

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17. 17.

    What is half of 46?

    Formula:Halving

    $h = n \div 2$

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18. 18.

    What is double 18?

    Formula:Doubling

    $d = 2 \times n$

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19. 19.

    Fill in the missing number: 7 + ___ = 14.

    Formula:Missing Addend

    $b = \text{total} - a$

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20. 20.

    What is double 18?

    Formula:Doubling

    $d = 2 \times n$

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