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Grade 4_11.4 _Use Common Multiples to Write Equivalent Fractions

Grade 4_11.4 _Use Common Multiples to Write Equivalent Fractions

Assessment

Presentation

Mathematics

4th Grade

Practice Problem

Hard

Created by

Raylene Williams

Used 3+ times

FREE Resource

15 Slides • 8 Questions

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​Success Criteria

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Multiple Choice

Write 3/5 and 1/3 as a pair of fractions with a common denominator?

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8/20 and 2/20
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6/15 and 4/15
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9/15 and 5/15
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3/10 and 5/10

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Multiple Choice

What is the first step to write the fractions 3/5​ and 1/3​ with a common denominator?

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Multiply the numerators together

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Add both fractions

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Find the least common denominator of the two fractions

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Change both denominators to 1

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Multiple Choice

What is true about two fractions that have a common denominator?

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The numerators will tell the value of the fractions.

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The fractions cannot be compared without converting them.
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Both fractions are equal even if the numerators are not equal.

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The denominators determine the value of the fractions.

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  • Step 1: List some multiples of 5 and 4 until you find one they both share.

  • Step 2: Think: What number do you multiply 5 by to get 20 and what number do you multiply 4 by to get 20?

  • Use those same numbers to multiply the top (numerator) and bottom (denominator) of each fraction.

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Open Ended

Turn and talk _ Share Your Thinking

How can you use the denominators to compare two fractions with the same numerators?

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Multiple Choice

How can you use the denominators to compare two fractions that have the same numerators?


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The fraction with the larger denominator is greater

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The fraction with the smaller denominator is greater

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The denominators don’t matter if the numerators are the same

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The fraction with the larger numerator is always greater

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Multiple Choice

How can you use the numerators to compare two fractions that have the same denominators?

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Ignore the numerators and focus on the denominators.
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Multiply the numerators and denominators.

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Add the denominators together.
4

Compare the numerators directly

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​Complete your check understanding in the HMH text book then use your Plickers card to show your answer

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Group A: 0 -49%
Group B 50 - 89%
Group C: 90 -100%

As soon as you have seen your score , quickly regroup!

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Open Ended

What did you discover about equivalent fractions and multiples today?

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Poll

How confident do you feel about using multiples to find equivalent fraction?

I can explain it and show it to someone else.

I understand it, but I need a little more practice

I kind of get it but im still unsure.

I am confuse and need help

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​Get ready to respond to this question. You can use plickers or your copybook.

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