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CHAPTER 13 FRACTIONS 4 TH GRADE

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How much of the pie is shaded? How much of the pie is not shaded?

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What are the denominators? What are the numerators?

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What is equivalent to ½?

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Which are equivalent to 1/3?

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Fill in each box with the correct number for the shaded portion.

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How much cake did the kids eat? How much cake is left?

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Shade the correct parts to show the equivalent fraction.

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What is the denominator? What is the numerator? What is the percent?

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What is the denominator? What is the numerator? What is the percent? + =

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What is the denominator? What is the numerator? What is the percent? + =

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What is the denominator? What is the numerator? What is the percent? - =

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What is the denominator? What is the numerator? What is the percent? -=

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Write an equivalent fraction. 1/31/23/44/62/5 6/81/42/37/123/5

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Write an equivalent fraction. 4/85/93/52/53/8 7/219/278/161/186/11

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ESTIMATING FRACTIONAL PARTS About what fraction of this square is orange? What percent is orange? = %

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ESTIMATING FRACTIONAL PARTS About what fraction of this square is blue? What percent is blue? = %

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Estimate the fractional part of each that is green.

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What fractional part is red? = %

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What fractional part is yellow? = %

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What fractional part is red and yellow? = %

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What fractional part is green and violet ? = %

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What fractional part is shaded? What percentage is shaded? Reduce it. = %

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Asia has more people than any other continent. About what fraction of people on Earth live in Asia? ASIA AFRICA EURO N.A. S.A. A

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Look at the bar graph below. Which student has about 1/3 as many CDs as Bradon? Chris Camron Bradon Lexie

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If more than half of the garden is planted with corn, it is possible to estimate that 2/3 is planted with beans?

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A bowling alley has 32 bowling balls. Eight are blue, 5 are pink, 6 are red and the rest are black. How many are black?

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Estimate the fractional part that is decorated.

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FACTORS as FRACTIONS 10 = 1 x 10 or 10 = 10 x 1

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FACTORS as FRACTIONS 10 = 1 x = 10 x 1 or 10 = 2 x 5 or 10 = 5 x 2

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Write the product of each number in TWO different ways

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Find all the factors of each number

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Destiny had 16 blouses. She gets 2 more blouses for her birthday. What are all of the different equal groupings she can make now?

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As part of her science project, Darla is making a model of a wind farm. She wants to put 24 turbines in her model. What are all the ways she can arrange 24 turbines?

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Desie wants to put 15 pictures on her science board. Describe every possible array she can make.

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Any number that has 9 as a factor also has 3 as a factor. WHY? Can you think of some other numbers that share factors?

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The largest volcano on Earth is Mauna Loa, located in Hawaii. It is 30,080 feet tall from the sea floor to its highest point. If 13,680 feet of the volcano is above sea level, how many feet are below sea level?

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About 50 out of 1,500 possible active volcanoes on Earth erupt every year. What are the factors of 50?

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On a large wind farm, there are 6rows of 15 wind turbines each and 4 rows of 11 wind turbines each. How many wind turbines are there on the wind farm in all?

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A manatee is 12 feet long. If 1 foot equals 12 inches, how many inches long is the manatee?

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MULTIPLES How can you find multiples of a number? It takes 8 minutes for a car on the roller coaster to make the complete trip. How many trips will it make in 1 hour?

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Write 5 multiples of each number

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LOOK carefully. Is the first number a multiple of the second? 44, 627, 330, 654, 928, 3 45, 564, 748, 833, 1124, 8 35, 863, 788, 413, 1362, 6 72, 946, 539, 328, 232, 2

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Family Reunion Which activities are scheduled to last more than 1 hour and 30 minutes? _______________ Lidia’s family arrived at the reunion at 8:30 a.m. How long do they have before the trip to the lake? ______________ Take Lake Tour10:15 a.m. – 2:30 p.m. Slide Show4:15 p.m. – 5:10 p.m. Dinner5:30 p.m. – 7:00 p.m. Campfire and Sing-a-long7:55 pm. To 9:30 p.m.

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Holly’s family went apple picking. They picked 5 bags of red apples and I bag of green apples. Write a fraction to represent the part of the bags containing green apples.

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Create a Venn diagram to show all multiples of 3 and all multiples of 4.

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Dividing to Find Equivalent Fractions James ate 6/8 of a small pizza. Which fraction is equal to 6/8?

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Find equivalent fractions for 4/10 _______ Find equivalent fractions for 2/8 _______ Find equivalent fractions for 4/5 ________

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You can multiply the numerator and the denominator by the same number to find an equivalent fraction = = 1 4 X 2 2 8

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You can divide the numerator and the denominator by the same number to find an equivalent fraction. = = = Div 10 Div 2

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Multiply or Divide to find the equivalent fractions

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Julia ordered 12 pizzas for the class party. Each pizza was cut into 8 slices. Each of the 24 students ate 4 slices. What fraction of the pizzas was left after the party? Can the fraction be reduced?

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In the school poetry contest, 14 of the 50 students that entered will receive a prize. Half of the remaining students receive a certificate. How many students will receive a certificate?

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Two fifths of all states in the United States start with the letters M, A, or N. How can you use equivalent fractions to find out how many states start with these letters?

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Look at the model. Name three equivalent fractions for the part of the circle that is turquoise.

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One way to show 1/3 is to use 12 cubes to show three groups of 4 cubes each or 4/12. Using 12 or fewer cubes, find 2 other fractions that are equivalent to 1/3.

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Keira has 12 cubes. She uses all 12 cubes and separates them into 4 groups. Then she uses 8 cubes and separates them into 4groups. What fraction is Keira trying to make?

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At the car wash, Gary washed 8 cars per hour and Sean washed 7 cars per hour. How many cars did Gary wash if Sean washed 24 cars?

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Jacob had 12 books. He showed 8/12 is equivalent to 2/3 by making three groups of 4 and drawing a circle around 2 of the groups. What is another fraction that is equivalent to 2/3?

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Renee runs 3 miles each week. Linda runs 4 times as many miles each week. How many miles does Linda run each week?

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Cathy had 24 quarters. She separated the quarters equally into 4 cups with 6 quarters in each cup. Show all ways that Cathy can separate the quarters into equal groups.

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A store sells school supply packs that contain 12 pencils, and 4 pens. Sonya bought enough packs to get 36 pencils. How many pens did she receive?

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Harry bought 6 DVDs on sale for $48. Tyler bought 4 DVDs for $28. Who got the better deal?

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Put each fraction into simplest form. 6/815/2710/2016/1812/14 21/2412/303/122/104/8 12/164/62/58/205/15 4/129/167/1412/1815/35

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Vanessa ran 8/12 of the way around the field during P.E. class. Write this fraction in simplest form.

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Shane and Morgan are starting a band. They have 5 other members that practice with them 2 hours each week. What fraction of the band are Shane and Morgan.

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Each day pandas are awake for about 12 hours. They eat for 10of those 12 hours. What fraction of their awake time are pandas eating?

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Write the factors for 8, 16, and 20. What can you say about all multiples of 4?

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Write all of the factors for 9. What can you say about all factors of 9?

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Write all of the factors of 15. What can you say about these factors?

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Look at each number sentences below. Compare the size of the factor to each product. What can you say about factors and products of whole numbers greater than 0? 8 x 7 = 565 x 46 = 2301 x 873 = 873

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A generalization is a general statement that you think is true. Look carefully to make generalizations. Generalize that all multiples of 5 end in either a 0 or a 5 in the ones place. 5 x 1 = 55 x 2 = 105 x 3 = 155 x 4 = 205 x 5 = 25

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Look at the pattern below. Draw the shape that would come next.

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Write at least five multiples of 10. What generalization can you make about all multiples of 10?

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Look at each group of three letters below. Make a generalization for each group of letters that does not apply to the other group of three letters. E F TC O S

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Emily’s dog weighs 43 pounds more than Joan’s dog. Together the dogs weigh 81 pounds. How much does each dog weigh?

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William lives on the twenty- second floor of a 25-story building. If each floor is 12feet in height, how many feet above ground level is the floor of William’s apartment?

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