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Compare and Order Fractions By Mr. Bales

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Objective By the end of the lesson, you will be able to compare and order simple fractions. Standard 4NS1.9 - Students will identify on a number line the relative positions of positive fractions…..

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Introduce Which is larger, 1/5 or 1/4? Can you think of three fractions larger than 3/5? On your whiteboards, try to arrange the following fractions from least to greatest: 3/5, 1/5, 4/5, 5/5, 2/5 1/10, 7/10, 5/10, 9/10, 3/10 1414

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Get Ready to Learn Alejandro has an insect collection. The table shows the lengths of four insects in his collection. Which is longer, a field cricket or a whirligig beetle? InsectLength Mosquito1/4 Field Cricket 5/8 Whirligig Beetle 3/8 Lightning Bug 1/2

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Compare Fractions Which is longer, a field cricket or a whirligig beetle? You can use models to compare 5/8 and 3/8. The model shows that 5/8 > 3/8 So, the field cricket is longer.

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Compare Fractions What is longer, a mosquito or a lightning bug? You need to compare 1/4 and 1/2. 1/2 > 1/4 So, the lightning bug is longer. 0 3/41/42/4 01 1/2

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You Try On your whiteboards, order the following fractions from least to greatest: (Use fractions models and drawings to help) 1/2, 3/4, 5/6, 1/3, 3/4, 1/6 Without using fractions models, why is it hard to order fractions that do not have the same denominator? Try these from least to greatest: 1/7, 1/4, 1/5, 1/3, 1/6, 1/2, 1/8 Can you describe a rule when the numerators are all the same?

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Did I hear you say you need help from Mr. Haresty?

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Bales Bucks!!

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Assignment Page 530 - #s 9 - 21 Get them all correct - No Math Homework!!

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When you compare two fractions, you decide which is greater or which is less. If the fractions have common denominators, compare their numerators. The.

When you compare two fractions, you decide which is greater or which is less. If the fractions have common denominators, compare their numerators. The.

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