Thailand · Grade 2 · Practice Sheet 17

1. 1.

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

   Formula:Skip Counting

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

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2. 2.

   What is half of 34?

   Formula:Halving

   $h = n \div 2$

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3. 3.

   Subtract 23 from 38.

   Formula:Subtraction

   $\text{difference} = a - b$

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4. 4.

   What is double 23?

   Formula:Doubling

   $d = 2 \times n$

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5. 5.

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

   Formula:Skip Counting

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

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6. 6.

   What is double 2?

   Formula:Doubling

   $d = 2 \times n$

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7. 7.

   Add 17 + 7 + 7.

   Formula:Addition of Three Numbers

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

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8. 8.

   How many tens are there in the number 55?

   Formula:Place Value

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

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9. 9.

   What is half of 14?

   Formula:Halving

   $h = n \div 2$

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10. 10.

    Add 9 + 16 + 16.

    Formula:Addition of Three Numbers

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

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11. 11.

    What is double 8?

    Formula:Doubling

    $d = 2 \times n$

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12. 12.

    What is 3 + 9?

    Formula:Addition

    $\text{sum} = a + b$

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13. 13.

    What is 7 × 6?

    Formula:Multiplication (Times Tables)

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

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14. 14.

    There are 6 bags with 3 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.

    Subtract 12 from 99.

    Formula:Subtraction

    $\text{difference} = a - b$

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16. 16.

    What is 6 − 1?

    Formula:Subtraction

    $\text{difference} = a - b$

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17. 17.

    Subtract 5 from 46.

    Formula:Subtraction

    $\text{difference} = a - b$

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18. 18.

    Add 16 + 9 + 19.

    Formula:Addition of Three Numbers

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

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19. 19.

    Continue the pattern by counting in 10s: 40, 50, ___

    Formula:Skip Counting

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

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20. 20.

    How many tens are there in the number 59?

    Formula:Place Value

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

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