Colombia · Grado 2 · Practice Sheet 31

1. 1.

   What is 2 + 3?

   Formula:Addition

   $\text{sum} = a + b$

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2. 2.

   What is double 20?

   Formula:Doubling

   $d = 2 \times n$

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3. 3.

   Fill in the missing number: 2 + ___ = 16.

   Formula:Missing Addend

   $b = \text{total} - a$

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4. 4.

   Add 19 and 27.

   Formula:Addition

   $\text{sum} = a + b$

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5. 5.

   What is double 4?

   Formula:Doubling

   $d = 2 \times n$

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6. 6.

   You have $5 and $6. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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7. 7.

   Continue the pattern by counting in 10s: 20, 30, ___

   Formula:Skip Counting

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

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8. 8.

   Subtract 5 from 33.

   Formula:Subtraction

   $\text{difference} = a - b$

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9. 9.

   There are 4 bags with 4 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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10. 10.

    Add 69 and 12.

    Formula:Addition

    $\text{sum} = a + b$

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11. 11.

    Fill in the missing number: 10 + ___ = 15.

    Formula:Missing Addend

    $b = \text{total} - a$

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12. 12.

    What is half of 14?

    Formula:Halving

    $h = n \div 2$

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13. 13.

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

    Formula:Skip Counting

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

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14. 14.

    How many tens are there in the number 29?

    Formula:Place Value

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

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15. 15.

    What is 4 + 7?

    Formula:Addition

    $\text{sum} = a + b$

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16. 16.

    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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17. 17.

    Fill in the missing number: 8 + ___ = 20.

    Formula:Missing Addend

    $b = \text{total} - a$

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18. 18.

    How many tens are there in the number 93?

    Formula:Place Value

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

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19. 19.

    Add 10 + 4 + 6.

    Formula:Addition of Three Numbers

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

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20. 20.

    Add 41 and 25.

    Formula:Addition

    $\text{sum} = a + b$

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