Peru · Grado 2 · Practice Sheet 21

1. 1.

   What is double 6?

   Formula:Doubling

   $d = 2 \times n$

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2. 2.

   Add 3 + 11 + 14.

   Formula:Addition of Three Numbers

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

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3. 3.

   How many tens are there in the number 58?

   Formula:Place Value

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

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4. 4.

   What is double 11?

   Formula:Doubling

   $d = 2 \times n$

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5. 5.

   You have S/ 1 and S/ 9. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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6. 6.

   What is double 11?

   Formula:Doubling

   $d = 2 \times n$

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7. 7.

   What is 9 × 3?

   Formula:Multiplication (Times Tables)

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

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8. 8.

   You have S/ 5 and S/ 2. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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9. 9.

   What is 3 × 9?

   Formula:Multiplication (Times Tables)

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

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10. 10.

    There are 5 bags with 8 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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11. 11.

    What is 11 − 10?

    Formula:Subtraction

    $\text{difference} = a - b$

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12. 12.

    What is double 14?

    Formula:Doubling

    $d = 2 \times n$

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13. 13.

    What is half of 18?

    Formula:Halving

    $h = n \div 2$

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14. 14.

    You have S/ 5 and S/ 4. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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15. 15.

    How many tens are there in the number 49?

    Formula:Place Value

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

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16. 16.

    Add 8 + 14 + 3.

    Formula:Addition of Three Numbers

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

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17. 17.

    How many tens are there in the number 98?

    Formula:Place Value

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

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18. 18.

    Fill in the missing number: 6 + ___ = 8.

    Formula:Missing Addend

    $b = \text{total} - a$

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19. 19.

    What is 15 − 2?

    Formula:Subtraction

    $\text{difference} = a - b$

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20. 20.

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

    Formula:Skip Counting

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

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