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Compare and Order Rational Numbers 7 th Grade Math Lesson Objective: Students will compare and order fractions and decimals.

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Vocabulary Rational Number –Any number that can be written as a fraction –Examples: whole numbers, integers, fractions, decimals and percents

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Compare Rational Numbers Use, or = to make the statement true. -5 __ 3 -4 __ <>

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Compare Rational Numbers Use, or = to make the statement true. ¾ __ ¼ -1 5 / 6 __ -1 1 / 6 > 10¼ ¾-1 1 / / 6 <

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Whiteboard Practice Use, or = to make the statement true.

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Least Common Multiple If the fractions are unlike, find a common denominator to compare them. 12 x 1 = x 2 = x 3 = x 1 = x 2 = 36

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Compare Rational Numbers Use, or = to make the statement true. > so>

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Whiteboard Practice Use, or = to make the statement true.

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Real World Example In Mr. Huangs math class, 6 out of 32 students own roller shoes. In Mrs. Trevinos math class, 5 out of 29 students own roller shoes. In which class does a greater fraction of students own roller shoes? Mr. Huang 6 ÷ 32 = Mrs. Trevino 5 ÷ 29 =

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Whiteboard Practice The table shows hoe much copper is in each type of coin. Which coin contains the greatest amount of copper? CoinAmount of Copper Dime12/16 Nickel3/4 Penny1/400 Quarter23/25

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Whiteboard Practice Gracia and Jim were shooting free throws. Gracia made 4 out of 15 free throws. Jim missed 6 out of 16 free throws. Who made the free throw a greater fraction of the time?

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Ordering Rational Numbers List the numbers 3.44, π, 3.14, and 3.4 in order from least to greatest , 3.141, 3.140, Write all numbers to the same place value. 2. Order the numbers according to directions or 3.14, π, 3.44, 3.4

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Whiteboard Practice Order each set of numbers from least to greatest. 0.23, 0.19, 1 / 5 8 / 10, 0.81, , -1 1 / 25, , - 5 / 8, -0.62

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