Chile · Grado 2 · Practice Sheet 44

1. 1.

   Add 13 + 16 + 10.

   Formula:Addition of Three Numbers

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

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2. 2.

   What is 2 × 4?

   Formula:Multiplication (Times Tables)

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

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3. 3.

   What is 10 − 1?

   Formula:Subtraction

   $\text{difference} = a - b$

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4. 4.

   Add 20 and 47.

   Formula:Addition

   $\text{sum} = a + b$

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5. 5.

   Subtract 25 from 47.

   Formula:Subtraction

   $\text{difference} = a - b$

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6. 6.

   What is 3 × 9?

   Formula:Multiplication (Times Tables)

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

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7. 7.

   Fill in the missing number: 8 + ___ = 19.

   Formula:Missing Addend

   $b = \text{total} - a$

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8. 8.

   What is 8 + 5?

   Formula:Addition

   $\text{sum} = a + b$

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9. 9.

   Add 7 + 17 + 4.

   Formula:Addition of Three Numbers

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

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10. 10.

    Continue the pattern by counting in 3s: 9, 12, ___

    Formula:Skip Counting

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

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11. 11.

    Add 52 and 59.

    Formula:Addition

    $\text{sum} = a + b$

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12. 12.

    Continue the pattern by counting in 5s: 0, 5, ___

    Formula:Skip Counting

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

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13. 13.

    Add 12 + 18 + 4.

    Formula:Addition of Three Numbers

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

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14. 14.

    Fill in the missing number: 9 + ___ = 17.

    Formula:Missing Addend

    $b = \text{total} - a$

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15. 15.

    What is 6 + 4?

    Formula:Addition

    $\text{sum} = a + b$

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16. 16.

    There are 2 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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17. 17.

    Add 6 + 17 + 15.

    Formula:Addition of Three Numbers

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

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18. 18.

    Fill in the missing number: 5 + ___ = 19.

    Formula:Missing Addend

    $b = \text{total} - a$

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19. 19.

    How many tens are there in the number 65?

    Formula:Place Value

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

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20. 20.

    Subtract 41 from 78.

    Formula:Subtraction

    $\text{difference} = a - b$

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