Colombia · Grado 2 · Practice Sheet 28

1. 1.

   Fill in the missing number: 11 + ___ = 15.

   Formula:Missing Addend

   $b = \text{total} - a$

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2. 2.

   What is 8 − 2?

   Formula:Subtraction

   $\text{difference} = a - b$

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3. 3.

   What is 4 × 8?

   Formula:Multiplication (Times Tables)

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

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4. 4.

   What is 9 + 2?

   Formula:Addition

   $\text{sum} = a + b$

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5. 5.

   Add 40 and 40.

   Formula:Addition

   $\text{sum} = a + b$

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6. 6.

   What is double 23?

   Formula:Doubling

   $d = 2 \times n$

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7. 7.

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

   Formula:Skip Counting

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

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8. 8.

   How many tens are there in the number 64?

   Formula:Place Value

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

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9. 9.

   Subtract 17 from 38.

   Formula:Subtraction

   $\text{difference} = a - b$

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10. 10.

    Continue the pattern by counting in 2s: 4, 6, ___

    Formula:Skip Counting

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

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11. 11.

    Fill in the missing number: 8 + ___ = 22.

    Formula:Missing Addend

    $b = \text{total} - a$

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12. 12.

    What is double 4?

    Formula:Doubling

    $d = 2 \times n$

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13. 13.

    Add 4 + 2 + 16.

    Formula:Addition of Three Numbers

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

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14. 14.

    You have $8 and $8. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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15. 15.

    Fill in the missing number: 14 + ___ = 29.

    Formula:Missing Addend

    $b = \text{total} - a$

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16. 16.

    What is 5 + 7?

    Formula:Addition

    $\text{sum} = a + b$

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17. 17.

    What is double 7?

    Formula:Doubling

    $d = 2 \times n$

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18. 18.

    What is half of 4?

    Formula:Halving

    $h = n \div 2$

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19. 19.

    Subtract 11 from 41.

    Formula:Subtraction

    $\text{difference} = a - b$

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20. 20.

    What is 9 × 5?

    Formula:Multiplication (Times Tables)

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

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