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Unit 3 - Lesson 10 - Grade 5: Illustrative Mathematics

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Hyɛ no nsow a efi ɔkyerɛwfo no hɔ:

Grade 5 Unit 3

Lesson 10: Concepts of Division

CC BY 2021 Illustrative Mathematics

Grade 5 Unit 3

Lesson 10: Concepts of Division

CC BY 2021 Illustrative Mathematics

Lesson: Concepts of Division

Number Talk: Same Dividend, Different Divisor (Warm Up)

Share Pretzels

1
1

Division Patterns

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1
1
1
Cool Down: Reason About Division
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1

Find the value of each expression mentally.

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1.

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2.

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3.

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4.

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5.

Order the situations from greatest to least based on the number of pretzels each student will get.

  1. 14 students equally share 42 pretzels.

  2. 3 students equally share 45 pretzels.

  3. 3 students equally share 6 pretzels.

  4. 7 students equally share 42 pretzels.

  5. 3 students equally share 24 pretzels.

  6. 6 students equally share 42 pretzels.

  7. 3 students equally share 42 pretzels.

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6.

Explain your reasoning.

Find the value of each expression.

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7.

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8.

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1
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13.

What patterns do you notice?

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14.

Why is the quotient getting smaller?

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15.

What do you know about this expression?

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16.

Draw a diagram to represent

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17.

What new idea did you have about division today?

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18.

What questions do you have about division with fractions?

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9.

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10.

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11.

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12.