8th Grade Math Test

1 For her school newspaper, the editor has a photo that has a height of 4" and a width of 6". She needs to enlarge the picture proportionally to fit a space with a height of 7". What will the new width be? a) 17" b) 14-1/2" c) 11-2/3" d) 10-1/2" e) 4-2/3" 2 Jessie runs at a constant rate of 7 meters per second. At the beginning of a race, she is 350 meters from the finish line. How long will it take Jessie to reach the finish line? a) 40 seconds b) 50 seconds c) 60 seconds d) 100 seconds e) 400 seconds 3 An airplane flying at an altitude of 32,000 feet descends at a rate of 1,300 feet per minute. If the plane descends for 15 minutes, what would its altitude be in feet? a) 10,000 feet b) 12,500 feet c) 19,000 feet d) 19,500 feet e) 30,200 feet 4 The shaded surface of this access ramp will be covered with all-weather carpet. Find the area of the carpet needed. a) 12 sq ft of carpet b) 32 sq ft of carpet c) 40 sq ft of carpet d) 48 sq ft of carpet e) 96 sq. ft of carpet 5 Find the value of x. a) 83 b) 59 c) 54 d) 14 e) 10 6 Luke wants to buy a CD player that costs $56 including tax. He gets $10 a week for his allowance. He spends $3.50 a week and saves the rest. How many weeks will it take him to save enough money to buy the CD player? a) 6 weeks b) 7 weeks c) 8 weeks d) 9 weeks e) 10 weeks 7 Calculate the surface area of the cube below. a) 3.375 cm2 b) 4.5 cm2 c) 6.75 cm2 d) 9 cm2 e) 13.5 cm2 8 Which would result in the largest number? a) 102 + 302 b) 104 c) (19 x 21) + (29 x 31) d) 25 x 36 e) 402 9 Lines m and n are parallel. Which list of angles are all congruent to angle 1? a) 2, 4, 6 b) 3, 5, 7 c) 4, 5, 6 d) 6, 7, 8 e) 8, 4, 1 10 As Stephen walks home he walks by an empty rectangular field. He can either walk across the field diagonally or walk the length and width. About how many feet less is the walk diagonally through the lot? a) About 141 feet b) About 200 feet c) About 279 feet d) About 420 feet e) About 721 feet