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Unit 5 - Lesson 17 - Grade 3: Illustrative Mathematics

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Grade 3 Unit 5
Lesson 17: Compare Fractions
CC BY 2021 Illustrative MathematicsĀ®
Grade 3 Unit 5
Lesson 17: Compare Fractions
CC BY 2021 Illustrative MathematicsĀ®
Lesson: Compare Fractions
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Cool Down: All Kinds of Comparisons
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Estimation Exploration: Ladybug Length (Warm Up)

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Question 1
1.

What is the length of this ladybug?

Record an estimate that is:

Comparison Problems

Question 2
2.

A beetle crawled on the log at a length of

A caterpillar crawled on the same log at a length of

Which insect crawled farther?

Answer the question and explain or show your reasoning. Represent your answer with a statement that uses the symbols >, <, or =.

Question 3
3.

A grasshopper is 4 centimeters long.


A caterpillar is

Which insect is longer?

Answer the question and explain or show your reasoning. Represent your answer with a statement that uses the symbols >, <, or =.

Question 4
4.

A ladybug crawled on a branch the length of

An ant crawled on the same branch at the length of

Which insect crawled farther?

Answer the question and explain or show your reasoning. Represent your answer with a statement that uses the symbols >, <, or =.

Question 5
5.

A grasshopper jumped the width of the sidewalk at a length of

A frog jumped the width of the same sidewalk at a length of

Which jumped a longer distance?

Answer the question and explain or show your reasoning. Represent your answer with a statement that uses the symbols >, <, or =.

What Fraction Makes Sense?

Oh, no! Some juice spilled on Noah’s fractions. Help him figure out what was written before the juice
was spilled.

Find as many numbers as you can to make each statement true. Explain or show your reasoning.
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Question 6
6.

Find as many numbers as you can to make each statement true. Explain or show your reasoning.

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Question 7
7.

Find as many numbers as you can to make each statement true. Explain or show your reasoning.

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  • Find a fraction that is less, one that is greater, and one that is equivalent.
  • Then, write a statement that uses the symbols >, <, or = to record each comparison.
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Question 9
9.

Find a fraction that is less than

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Question 10
10.

Write a statement that uses the symbol > to record the comparison.

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  • Find a fraction that is less, one that is greater, and one that is equivalent.
  • Then, write a statement that uses the symbols >, <, or = to record each comparison.
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Question 15
15.

Find a fraction that is less than

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Question 16
16.

Write a statement that uses the symbol > to record the comparison.

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Ultimate Locate and Label (Optional)

Question 21
21.

Locate and label each fraction on the number line.

Question 22
22.

Share your reasoning.

Question 23
23.

Use the symbols >, <, or = to make each statement true.

Question 24
24.

Use the symbols >, <, or = to make each statement true.

An ant crawled on a bench at the length of

A spider crawled on the same bench at a length of
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Question 25
25.

Which animal crawled farther? Explain or show your reasoning.

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Question 26
26.

Write a statement using the symbols >, <, or = to represent your answer.

Question 8
8.

Find as many numbers as you can to make each statement true. Explain or show your reasoning.

Question 11
11.

Find a fraction that is greater than

Question 12
12.

Write a statement that uses the symbol < to record the comparison.

Question 13
13.

Find a fraction that is equivalent to

Question 14
14.

Write a statement that uses the symbol = to record the comparison.

Question 17
17.

Find a fraction that is greater than

Question 18
18.

Write a statement that uses the symbol < to record the comparison.

Question 19
19.

Find a fraction that is equivalent to

Question 20
20.

Write a statement that uses the symbol = to record the comparison.