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Find the Common denominator
Quiz by Julie Lommatzsch
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Select all the numbers that can be used as a common denominator to rewrite the fractions __ 2 6 and __ 1 2 . A 3 D 12 B 6 E 16 C 8 2 Aaron ran __ 5 8 mile to his friend’s house. Then he ran another __ 1 4 mile to the park. 1 1 8 1 8 1 8 1 8 1 8 1 8 1 8 1 8 1 8 1 8 1 8 1 8 1 4 Which equation shows how many miles Aaron ran? A __ 5 8 – __ 1 4 = __ 2 8 C __ 5 8 + __ 1 4 = __ 7 8 B __ 5 8 – __ 1 4 = __ 3 8 D __ 5 8 + __ 1 4 = __ 8 8 3 Select all the expressions that can be used to find the sum of __ 6 8 and ___9 12. A ___ 36 48 + ___ 36 48 D ___ 18 20 + ___ 17 20 B ___ 24 36 + ___ 27 36 E ___ 18 24 + ___ 18 24 C ___ 14 16 + ___ 13 16 4 Write a pair of equivalent fractions for __ 3 4 and __ 2 5 using a common denominator of 20. __ 3 4 = __ 2 5 = 5 Katie spent __ 4 5 hour painting and __ 1 2 hour drawing. ? 1 1 2 1 5 1 5 1 5 1 5 How much more time in hours did she spend painting than drawing? 6 Dave is planting a garden. He plants cucumbers in ___2 12 of his garden and tomatoes in __ 2 3 of his garden. What fraction of his garden does Dave plant with cucumbers and tomatoes? 7 Of the students in Maria’s class, __ 2 5 have dogs and __ 1 3 have cats. No students have both a dog and a cat. What fraction represents how many more students in Maria’s class have dogs? 52 © Houghton Mifflin Harcourt Publishing Company Module 6 • Form A Name Module Test DO NOT EDIT--Changes must be made through "File info" CorrectionKey=NL-C 9 Mr. Gonzales used __ 3 4 quart of broth and __ 1 2 quart of milk to make soup. How many quarts of liquid did he use? Part A Complete the fraction model to represent the problem. 1 1 2 1 4 1 4 1 4 Part B Write an equation to show how many quarts of liquid Mr. Gonzales used to make soup. 10 A bowl of cereal contains __ 2 3 cup of oats and __ 2 8 cup of raisins. Write a numerical expression using equivalent fractions with a common denominator of 24 to model how many more cups of oats than raisins there are in the bowl. 11 Jessica read __ 1 6 of her book on Thursday, __ 2 9 of her book on Friday, and __ 1 2 of her book on Saturday. Part A Write a numerical expression using equivalent fractions to model how much of her book she has read so far. Part B What fraction of her book has Jessica read?FIND THE COMMON MULTIPLES (LCM)Divisibility rules 2,5, 10 and find the common factors of numbersShort Quiz in Math 5 uses divisibility rules for 2, 5, and 10 to find the common factors of numbers.Nature Stinks! Stinky Nature. If you've ever smelled a skunk, you know it is not a nice odor. In fact, it's terrible! Did you know that both plants and animals can smell bad? Stinky plants smell bad to get helpful insects to come near. Stinky animals often smell bad to keep enemies away. Smelling bad helps both plants and animals stay alive. Stinky Furry Animals Skunks are well-known smelly animals. When enemies get close, skunks lift their tail and spray a stinky liquid. Striped polecats are cousins of skunks. They stink even worse! Lesser anteaters are at least four times as stinky as a skunk! They shoot a smelly liquid at their enemies. Opossums pretend to be dead if an enemy is near. They stay still and let out stinky green slime. Wolverines make a smelly liquid to keep other animals away from their home. They also pee on food they don't eat right away. The smell may help them find the food later. It may also keep other animals from eating it. Male musk oxen fight each other for females. Males use their stinky pee to tell other males to keep away. The pee sticks to their long belly hair and makes them smell terrible. Stinky Birds. The stinkbird mainly eats leaves. Food goes to its crop (the area under its throat) before the stomach. Tiny living things there break down the leaves. This way of eating makes the stinkbird smell terrible. Vultures eat animals that are dead and often rotten. When vultures are in danger, they throw up! The stuff they throw up is very smelly. Stinky Bugs. A type of beetle sprays a hot, stinky liquid from the back of its body. The spray can kill many enemies and burn people. Millipedes (MILL-ih-peedz) can't move fast. If an enemy bothers them, they curl up and give off a stinky liquid. Some millipedes can even shoot the smelly stuff! Other Stinky Animals. The common musk turtle has another namestinkpot! It smells bad when other animals disturb it. A stinky yellow liquid comes out of the back of its body. Musk turtle A female mink frog can lay 500 to 4,000 eggs at once. 14 A musk turtle can live forty to sixty years. Mink frog The mink frog also uses smell to stay safe from enemies. It smells like rotten onions. Good and Stinky. Being stinky helps many plants and animals stay alive. For plants, the bad smell brings helpful insects. For animals, the bad smell may keep enemies away or help in other ways. Stinky steam, spray, throw-up, slime, and pee all help living things stay alive.find the greatest common factor within 1000 of two whole numbersfind the greatest common factor within 500 of two whole numbers. Given a real-world context, find the least common multiple with factors to 25 of two whole numbers.