Argentina · Grado 2 · Practice Sheet 41

1. 1.

   Add 17 + 2 + 11.

   Formula:Addition of Three Numbers

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

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2. 2.

   Add 17 and 56.

   Formula:Addition

   $\text{sum} = a + b$

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3. 3.

   What is 5 − 3?

   Formula:Subtraction

   $\text{difference} = a - b$

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4. 4.

   How many tens are there in the number 97?

   Formula:Place Value

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

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5. 5.

   What is 5 − 3?

   Formula:Subtraction

   $\text{difference} = a - b$

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6. 6.

   What is half of 10?

   Formula:Halving

   $h = n \div 2$

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7. 7.

   What is 3 + 5?

   Formula:Addition

   $\text{sum} = a + b$

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8. 8.

   What is 9 − 1?

   Formula:Subtraction

   $\text{difference} = a - b$

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9. 9.

   How many tens are there in the number 37?

   Formula:Place Value

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

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10. 10.

    Fill in the missing number: 6 + ___ = 16.

    Formula:Missing Addend

    $b = \text{total} - a$

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11. 11.

    What is 11 − 9?

    Formula:Subtraction

    $\text{difference} = a - b$

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12. 12.

    Subtract 60 from 79.

    Formula:Subtraction

    $\text{difference} = a - b$

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13. 13.

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

    Formula:Adding Money

    $\text{total} = a + b$

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14. 14.

    There are 4 bags with 3 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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15. 15.

    You have $2 and $4. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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16. 16.

    How many tens are there in the number 74?

    Formula:Place Value

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

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17. 17.

    Subtract 16 from 81.

    Formula:Subtraction

    $\text{difference} = a - b$

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18. 18.

    What is 2 + 4?

    Formula:Addition

    $\text{sum} = a + b$

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19. 19.

    Subtract 11 from 48.

    Formula:Subtraction

    $\text{difference} = a - b$

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20. 20.

    Fill in the missing number: 4 + ___ = 12.

    Formula:Missing Addend

    $b = \text{total} - a$

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