Math peter4

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common denominator

A denominator that is the same in two or more fractions is called the common denominator. For example, the common denominator of 5/8 and 2/8 is 8.

Explain why renaming a fraction does not change the value of the fraction.

Because when you rename it you're doing the same thing to the numerator and denominator so you're not changing the amount.

The fraction 28/77 is in simplest form. True or False

False

like fractions

Fractions that have the same denominator.

unlike fractions

Fractions with different denominators. For example, 3/4 and 1/2 are unlike fractions.

Ethan's parents sent him outside to the garden to pick 5/6 pound of green beans for dinner. He came back with 3/4 pound. Did he get enough beans? Show your work.

No. 5/6 = 10/12 3/4 = 9/12 9/12 < 10/12

The fraction 8/25 is in simplest form. True or False

True

Comparing and Ordering Fractions

When comparing fractions, first check their denominators. When fractions have the same denominator, they are called like fractions. When two fractions have different denominators. they are called unlike fractions. To compare fractions, first rename them so they have a common denominator.

Common Error Alert!!!!!!!!

When renaming fractions so they have the same denominator, don't forget to multiply the numerator also. If we don't multiply both ---the fraction is no longer equal!

c. Australia

Which continent makes up the least of Earth's land? a. Europe b. South America c. Australia d. Africa

d. Asia

Which continent makes up the most of Earth's land? a. Europe b. North America c. Antarctica d. Asia

a. Asia, Africa, North America

Which of the following lists shows the coni=tinents written in order from the greatest part of Earth's total land they cover to the least part? a. Asia, Africa, North America b. Africa, Asia, North America c. Asia, South America, North America d. North America, Asia, South America

c. Australia, Europe, Anarctica

Which of the following lists shows the continents written in order from the least part of Earth's total land they cover to the greatest part? a. Antarctica, Europe, South America b. South America, Antarctica, Europe c. Australia, Europe, Antarctica d. Antarctica, Europe, Australia

a. 3/5 < 4/5

Which statement correctly compares 3/5 and 4/5? a. 3/5 < 4/5 b. 3/5 > 4/5 c. 3/5 = 4/5 d. cannot be determined

a denominator that is the same in two or more fractions

common denominator

Order 4/5, 7/10, and 13/20 from least to greatest. a. 4/5 < 7/10 < 13/20 b. 7/10 < 4/5 < 13/20 c. 7/10 < 13/20 < 4/5 d. 13/20 < 7/10 < 4/5

d. 13/20 < 7/10 < 4/5

fractions with difference denominators

unlike fractions

Find the GCF of the numbers. 15, 45, 540 a. 9 b. 12 c. 15 d. 1,5620

c. 15

Order 1/8, 4/7, and 1/3 from least to greatest. a. 1/8, 1/3, 4/7 b. 1/8, 4/7, 1/3 c. 4/7, 1/3, 1/8 d. 1/3, 1/8, 4/7

a. 1/8, 1/3, 4/7

Which statement correctly compares 2/3 and 5/7? a. 2/3 < 5/7 b. 2/3 > 5/7 c. 2/3 = 5/7 d. cannot be determined

a. 2/3 < 5/7

Which statement correctly compares 2/9 and 3/11? a. 2/9 < 3/11 b. 2/9 > 3/11 c. 2/9 = 3/11 d. cannot be determined

a. 2/9 < 3/11

Compare. Write <, > or =. a. 7/10 3/10 b. 1/8 5/8

a. 7/10 > 3/10 b. 1/8 < 5/8

Compare the fractions. Write <, >, or =. 2/6 2/9 a. > b. = c. <

a. >

Compare the fractions. Write <, >, or =. 8/9 6/10 a. > b. = c. <

a. >

Which statement correctly compares 4 1/2 and 4 1/3? a. 4 1/2 < 4 1/3 b. 4 1/2 > 4 1/3 c. 4 1/2 = 4 1/3 d. cannot be determined

b. 4 1/2 > 4 1/3

Compare the fractions. Write <, >, or =. 4/8 2/6 a. < b. > c. =

b. >

Compare the fractions. Write <, >, or =. 5/8 4/8 a. < b. > c. =

b. >

Mary Ann needs 5/8 cup of sugar to bake a cake. She has 1/4 cup. Will that be enough? a. yes b. no

b. no

Mary Ann needs 1/3 cup of sugar to bake a cake. She has 1/2 cup. Will that be enough? a. no b. yes

b. yes

Paul needs 4/5 gallon gas to mow his grass. He has 6/7 gallon. Does he have enough gas to finish? a. no b. yes

b. yes

Order 1/2, 4/5, and 2/3 from least to greatest. a. 4/5, 2/3, 1/2 b. 2/3, 1/2, 4/5 c. 1/2, 2/3, 4/5 d. 1/2, 4/5, 2/3

c. 1/2, 2/3, 4/5

Order 3/5, 2/3, and 1/2 from least to greatest. a. 3/5, 1/2, 2/3 b. 2/3, 3/5, 1/2 c. 1/2, 3/5, 2/3 d. 1/2, 2/3, 3/5

c. 1/2, 3/5, 2/3


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