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Chapter 1 Test Review Draw a number line to represent each set of numbers. 1.) A horizontal number line to represent even numbers between 20 and 30 2.) A vertical number line to represent fractions between 3 and 4, with an interval of 1/6 between each pair of fractions Fill in the blanks with < or >. Use a number line to help you. 3.) 8.3 _____ 8 4.) 5 _____ 5 1 2 3 7 4 10 Write each number as a product of its prime factors 5.) 80 6.) 3200 Solve. Show your work. 7.) Find the greatest common factor of 14 and 20 8.) Find the first two common multiples of 2, 4, and 5 9.) Give that √1,521=39, evaluate 3902 10.) Find the value of 72 + 83 − 42 Problem Solving 11.) Find two consecutive numbers whose squares add to 365 12.) Find two consecutive numbers whose squares differ by 33 13.) Joey takes 4 minutes to draw a picture. Kelly takes 6 minutes to draw a picture. If Joey and Kelly start drawing pictures at the same time, how long will they draw before they can complete a picture at the same time? 14.) How many squares with sides that are 6 inches long are needed to cover a square with a side length of 36 inches without overlapping? 15.) How many 2 inch cubes are needed to completely fill a cubic box of edges 4 inches long? 16.) There are 20 markers, 24 crayons, and 30 colored pencils. The art supplies are packed into bags. An equal number of each art supply is packed into each bag. a.) b.) What is the least possible number of bags of fruit packed? How many pieces of each fruit are packed into each bag? Find the greatest common factor of each pair of numbers. 17.) 18 and 48 18.) 25 and 75 Find the least common multiple of each pair of numbers 19.) 6 and 18 20.) 3 and 9