Argentina · Grado 2 · Practice Sheet 4

1. 1.

   Add 19 + 12 + 12.

   Formula:Addition of Three Numbers

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

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2. 2.

   How many tens are there in the number 51?

   Formula:Place Value

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

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3. 3.

   There are 4 bags with 6 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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4. 4.

   What is 8 + 2?

   Formula:Addition

   $\text{sum} = a + b$

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5. 5.

   There are 2 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 double 17?

   Formula:Doubling

   $d = 2 \times n$

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7. 7.

   There are 5 bags with 5 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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8. 8.

   What is 4 + 8?

   Formula:Addition

   $\text{sum} = a + b$

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9. 9.

   Add 5 + 7 + 4.

   Formula:Addition of Three Numbers

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

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10. 10.

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

    Formula:Adding Money

    $\text{total} = a + b$

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11. 11.

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

    Formula:Skip Counting

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

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12. 12.

    What is 11 − 7?

    Formula:Subtraction

    $\text{difference} = a - b$

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13. 13.

    Subtract 24 from 35.

    Formula:Subtraction

    $\text{difference} = a - b$

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14. 14.

    What is double 21?

    Formula:Doubling

    $d = 2 \times n$

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15. 15.

    Add 6 + 6 + 15.

    Formula:Addition of Three Numbers

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

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16. 16.

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

    Formula:Skip Counting

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

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17. 17.

    Fill in the missing number: 15 + ___ = 22.

    Formula:Missing Addend

    $b = \text{total} - a$

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18. 18.

    What is 11 − 4?

    Formula:Subtraction

    $\text{difference} = a - b$

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19. 19.

    What is 7 + 7?

    Formula:Addition

    $\text{sum} = a + b$

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20. 20.

    Add 50 and 33.

    Formula:Addition

    $\text{sum} = a + b$

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