China · Grade 2 · Practice Sheet 43

1. 1.

   What is 9 × 9?

   Formula:Multiplication (Times Tables)

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

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2. 2.

   What is double 2?

   Formula:Doubling

   $d = 2 \times n$

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3. 3.

   Add 15 + 6 + 11.

   Formula:Addition of Three Numbers

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

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4. 4.

   What is 7 × 2?

   Formula:Multiplication (Times Tables)

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

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5. 5.

   What is double 10?

   Formula:Doubling

   $d = 2 \times n$

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6. 6.

   What is 16 − 6?

   Formula:Subtraction

   $\text{difference} = a - b$

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7. 7.

   What is 9 × 8?

   Formula:Multiplication (Times Tables)

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

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8. 8.

   There are 4 bags with 2 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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9. 9.

   What is double 5?

   Formula:Doubling

   $d = 2 \times n$

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10. 10.

    Continue the pattern by counting in 2s: 8, 10, ___

    Formula:Skip Counting

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

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11. 11.

    How many tens are there in the number 33?

    Formula:Place Value

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

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12. 12.

    What is 5 + 7?

    Formula:Addition

    $\text{sum} = a + b$

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13. 13.

    Continue the pattern by counting in 10s: 30, 40, ___

    Formula:Skip Counting

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

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14. 14.

    Add 32 and 31.

    Formula:Addition

    $\text{sum} = a + b$

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15. 15.

    There are 4 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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16. 16.

    Subtract 66 from 72.

    Formula:Subtraction

    $\text{difference} = a - b$

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17. 17.

    How many tens are there in the number 98?

    Formula:Place Value

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

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18. 18.

    Add 18 + 11 + 17.

    Formula:Addition of Three Numbers

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

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19. 19.

    What is 13 − 6?

    Formula:Subtraction

    $\text{difference} = a - b$

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20. 20.

    What is 4 + 2?

    Formula:Addition

    $\text{sum} = a + b$

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