Colombia · Grado 2 · Practice Sheet 48

1. 1.

   Subtract 30 from 68.

   Formula:Subtraction

   $\text{difference} = a - b$

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2. 2.

   How many tens are there in the number 55?

   Formula:Place Value

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

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3. 3.

   Subtract 37 from 64.

   Formula:Subtraction

   $\text{difference} = a - b$

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4. 4.

   Add 10 and 17.

   Formula:Addition

   $\text{sum} = a + b$

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5. 5.

   What is double 7?

   Formula:Doubling

   $d = 2 \times n$

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6. 6.

   What is 2 × 6?

   Formula:Multiplication (Times Tables)

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

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7. 7.

   How many tens are there in the number 52?

   Formula:Place Value

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

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8. 8.

   What is double 6?

   Formula:Doubling

   $d = 2 \times n$

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9. 9.

   Add 61 and 58.

   Formula:Addition

   $\text{sum} = a + b$

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10. 10.

    There are 6 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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11. 11.

    What is 6 − 3?

    Formula:Subtraction

    $\text{difference} = a - b$

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12. 12.

    How many tens are there in the number 87?

    Formula:Place Value

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

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13. 13.

    What is 7 + 4?

    Formula:Addition

    $\text{sum} = a + b$

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14. 14.

    There are 4 bags with 7 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.

    Add 73 and 25.

    Formula:Addition

    $\text{sum} = a + b$

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16. 16.

    Subtract 26 from 56.

    Formula:Subtraction

    $\text{difference} = a - b$

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17. 17.

    How many tens are there in the number 62?

    Formula:Place Value

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

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18. 18.

    Add 14 and 48.

    Formula:Addition

    $\text{sum} = a + b$

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19. 19.

    What is double 15?

    Formula:Doubling

    $d = 2 \times n$

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20. 20.

    How many tens are there in the number 33?

    Formula:Place Value

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

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