PREALGEBRA MIDTERM REVIEW QUESTION 1 Evaluate 6 7

PRE-ALGEBRA MIDTERM REVIEW

QUESTION #1 Evaluate: 6 – (-7) - (-4) 17

QUESTION #2 Evaluate: (-3)(-8)(2) 48

QUESTION #3

QUESTION #4 Evaluate -x – y when x = 6 and y = -13. -19

QUESTION #5 Evaluate xy – 2 y+x when x = 3 and y = -2. -7

QUESTION #6 4 Evaluate x when x = 3. 81

QUESTION #7 Write an equivalent expression: 2 x – 3 (2 x – 1) -4 x + 3

QUESTION #8 Find the value: 2 81 – 2 (5 - 2 ● 6) ● 2 29

QUESTION #9 Find the value: 100 ● 5 ÷ 25 + 12 32

QUESTION #10 A contestant eats 2 pies in 12 minutes. If he continues to eat pies at the same rate, how many will he eat in 1 hour? 10

QUESTION #11 The ratio of boys to girls at a Lenape dance is 2: 3. If there are 40 students at the dance, how many are boys? How many are girls? 16 boys; 24 girls

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QUESTION #13 Write “ 6 less than the product of a number and 4” as an algebraic expression. 4 x - 6

QUESTION #14 There are 4 blue chips, 6 red chips, and 7 white chips in a bag. What is the probability of pulling a red chip? 6/17

QUESTION #15 There are 4 blue chips, 6 red chips, and 7 white chips in a bag. What are the odds of picking a white chip? 7 to 10

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QUESTION #22 There are 420 red and green marbles in a bag. The ratio of red to green marbles is 3: 1. How many green marbles are in the bag? 105 green marbles

QUESTION #23 A store sells 112 games in 7 hours. If this continues at the same rate, how many games would they expect to sell in the next hour? 16 games

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QUESTION #29 Number of tickets (x) Total cost (y) 0 1 2 3 4 5 0 8 16 24 32 40

QUESTION #30 You are taking a midterm exam on Thursday!!! What should you do to prepare? ? ? Answers will vary. . .