Peru · Grado 2 · Practice Sheet 1

1. 1.

   What is 10 × 10?

   Formula:Multiplication (Times Tables)

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

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2. 2.

   Subtract 23 from 80.

   Formula:Subtraction

   $\text{difference} = a - b$

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3. 3.

   You have S/ 4 and S/ 3. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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4. 4.

   What is 9 − 4?

   Formula:Subtraction

   $\text{difference} = a - b$

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5. 5.

   There are 6 bags with 2 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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6. 6.

   What is 9 + 7?

   Formula:Addition

   $\text{sum} = a + b$

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7. 7.

   What is double 7?

   Formula:Doubling

   $d = 2 \times n$

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8. 8.

   Add 37 and 57.

   Formula:Addition

   $\text{sum} = a + b$

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9. 9.

   Subtract 64 from 81.

   Formula:Subtraction

   $\text{difference} = a - b$

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10. 10.

    Add 9 + 9 + 15.

    Formula:Addition of Three Numbers

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

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11. 11.

    How many tens are there in the number 35?

    Formula:Place Value

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

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12. 12.

    Add 22 and 15.

    Formula:Addition

    $\text{sum} = a + b$

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13. 13.

    Fill in the missing number: 10 + ___ = 13.

    Formula:Missing Addend

    $b = \text{total} - a$

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14. 14.

    What is double 15?

    Formula:Doubling

    $d = 2 \times n$

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15. 15.

    Fill in the missing number: 3 + ___ = 18.

    Formula:Missing Addend

    $b = \text{total} - a$

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16. 16.

    What is 14 − 10?

    Formula:Subtraction

    $\text{difference} = a - b$

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17. 17.

    How many tens are there in the number 52?

    Formula:Place Value

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

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18. 18.

    Add 10 + 9 + 6.

    Formula:Addition of Three Numbers

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

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19. 19.

    How many tens are there in the number 57?

    Formula:Place Value

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

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20. 20.

    Add 78 and 52.

    Formula:Addition

    $\text{sum} = a + b$

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