Cambodia · Grade 2 · Practice Sheet 18

1. 1.

   Subtract 18 from 84.

   Formula:Subtraction

   $\text{difference} = a - b$

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2. 2.

   What is 7 + 2?

   Formula:Addition

   $\text{sum} = a + b$

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3. 3.

   Add 19 and 34.

   Formula:Addition

   $\text{sum} = a + b$

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4. 4.

   Subtract 9 from 79.

   Formula:Subtraction

   $\text{difference} = a - b$

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5. 5.

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

   Formula:Skip Counting

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

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6. 6.

   Add 19 + 18 + 11.

   Formula:Addition of Three Numbers

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

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7. 7.

   How many tens are there in the number 34?

   Formula:Place Value

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

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8. 8.

   What is 4 + 8?

   Formula:Addition

   $\text{sum} = a + b$

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9. 9.

   What is 9 × 3?

   Formula:Multiplication (Times Tables)

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

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10. 10.

    How many tens are there in the number 76?

    Formula:Place Value

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

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11. 11.

    Add 17 + 6 + 19.

    Formula:Addition of Three Numbers

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

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12. 12.

    Subtract 55 from 65.

    Formula:Subtraction

    $\text{difference} = a - b$

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13. 13.

    What is half of 28?

    Formula:Halving

    $h = n \div 2$

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14. 14.

    What is 8 × 10?

    Formula:Multiplication (Times Tables)

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

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15. 15.

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

    Formula:Skip Counting

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

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16. 16.

    How many tens are there in the number 77?

    Formula:Place Value

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

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17. 17.

    Add 19 + 20 + 7.

    Formula:Addition of Three Numbers

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

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18. 18.

    There are 6 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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19. 19.

    What is 8 + 8?

    Formula:Addition

    $\text{sum} = a + b$

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20. 20.

    Add 17 + 15 + 14.

    Formula:Addition of Three Numbers

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

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