Evaluate: 24 + 3(8 - 5), 21, 25, 27, 33, Which expressions are equal to 53? Select all that apply., 5 x 5 x 5, 5 + 5 + 5, 25 x 5, 3 x 5, 125, Which expression represents 7 more than 4 times a number n?, 7n + 4, 4(n + 7), 4n + 7, 7(4n), A student evaluates 32 + 4(6 - 2). Which operation should be completed first?, 32, 4 x 6, 6 - 2, 9 + 4, What is the value of 3^2 + 4(6 - 2)?, 21, 25, 28, 52, What is the greatest common factor of 36 and 54?, 6, 9, 108, 18, Which situations should be solved using an LCM? Select all that apply., Two buses leave a station every 12 and 18 minutes. When will they leave together again?, 48 pencils and 72 pens are divided into the greatest possible number of identical bags., Two lights flash every 8 and 10 seconds. When will they flash together again?, 30 red balloons and 45 blue balloons are divided equally into the greatest number of identical groups., Two athletes run laps in 6 minutes and 9 minutes. When will both return to the starting line together?, A school has 42 notebooks and 63 folders. Teachers want the greatest possible number of identical supply packs with no supplies left over. Which method should they use?, Find the LCM of 42 and 63., Find the GCF of 42 and 63, Multiply 42 and 63., Divide 63 by 42., A school has 42 notebooks and 63 folders and makes the greatest possible number of identical supply packs with no supplies left over. Which statements are true? Select all that apply., The school can make 21 packs., Each pack contains 2 notebooks., Each pack contains 3 folders, The school can make only 7 packs., Each pack contains 6 notebooks., Which expression is the factored form of 18x + 24 using the greatest common factor?, 2(9x + 12), 3(6x + 8), 6(3x + 4), 12(x + 2), In the expression 12n + 7, what is the coefficient of n?, 7, 12, 19, n, A rectangle has an area of 72 square units. Which whole-number pairs could be its length and width? Select all that apply., 8 and 9, 12 and 6, 18 and 4, 24 and 3, 10 and 7, 9 and 2, A student says 4x + 4x = 8x^2. Which statement is correct?, The student is correct., The correct sum is 8x because like terms are added by adding coefficients., The correct sum is 16x because 4 x 4 = 16., The correct sum is 16x^2 because x x x = x^2., A rectangular garden is 8.5 m long and 4 m wide. Which expression finds its area?, 8.5 + 4, 2(8.5 + 4), 8.5 x 4, 8.5 ÷ 4, A parallelogram has a base of 13 ft, a perpendicular height of 5 ft, and a slanted side of 7 ft. A student calculates 13 x 7. What is the student's mistake?, The student should add the measurements., The student used the slanted side instead of the perpendicular height., The student should divide by 2., The student should multiply all three measurements., A triangle has a base of 12 inches and a height of 7 inches. What is its area?, 19 in^2, 42 in^2, 84 in^2, 168 in^2, A display is made from a 9 ft by 6 ft rectangle and a parallelogram with base 7 ft and perpendicular height 5 ft. Which calculations are needed to find the total area? Select all that apply., 9 x 6, 7 x 5, 7 x 3, 54 + 35, 9 + 6 + 7 + 5, A rectangular prism measures 10 ft by 4 ft by 3 ft. Which products represent the areas of its different face sizes? Select all that apply., 10 x 4, 10 x 3, 4 x 3, 10 x 4 x 3, 10 + 4, A triangular prism has triangular bases with base 6 cm, triangle height 4 cm, and side lengths 5 cm, 5 cm, and 6 cm. The prism is 10 cm long. Which expression finds the total surface area?, (1/2)(6)(4)(10), 2(6 x 4) + 10(5), 6 x 4 x 10, 2[(1/2)(6)(4)] + (10 x 5) + (10 x 5) + (10 x 6), Box A measures 8 in by 6 in by 4 in. Box B measures 10 in by 5 in by 4 in. Which box requires less cardboard if both are closed rectangular prisms?, Not enough information, Box B, They require the same amount, Box A, A rectangular garden is 8.5 m long and 4 m wide. What is its area in square meters? Enter the number only., 34, 44, 54, 23, A parallelogram has base 10 ft and perpendicular height 6 ft. What is its area in square feet? Enter the number only., 40, 60, 6.0, 4.0, Two lights flash every 8 seconds and every 12 seconds. They flash together now. In how many seconds will they flash together again? Enter the number only., 24, 34, 44, 54, 74, A school display has a 9 ft by 6 ft rectangle and a parallelogram with base 7 ft and perpendicular height 5 ft. What is the total area in square feet? Enter the number only., 80, 89, 70, 79, Simplify: 8y + 5 + 3y + 7., 11y + 12, 12y + 11, 11y2 + 12, 12y2 + 11

Unit 1 Study Guide

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Math: Ch. 7 & 8 Extra Practice
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