Expressions and Equations Created by Educational Technology Network. www.edtechnetwork.com 2009

Like Terms Find the Sum Find the Difference Solve the Equation Word Problems 10 10 10 10 10 20 20 20 20 20 30 30 30 30 30 40 40 40 40 40 50 50 50 50 50

Topic 1 – 10 Points QUESTION: Identify the NUMBER of terms in the expression. 10x + 5 + 3x -1 + 8x ANSWER: (5)

Topic 1 – 20 Points Identify the like terms in the expression. QUESTION: Identify the like terms in the expression. -2n + 7n – r + 10r ANSWER: { -2n and 7n } ; { -r and 10r }

Topic 1 – 30 Points Identify the number of terms and the like terms. QUESTION: Identify the number of terms and the like terms. -12h 2 - 4 + 9 – 3h 2 ANSWER: 4 terms. {-12h 2 and – 3h 2 } ; { - 4 and + 9 }

Topic 1 – 40 Points Identify the number of terms and the like terms. QUESTION: Identify the number of terms and the like terms. -3x2 +17x – 8x2 – 5x ANSWER: 4 terms {-3x2 and – 8x2 } ; {17x and – 5x}

Topic 1 – 50 Points Identify the number of terms and the like terms. QUESTION: Identify the number of terms and the like terms. 63 – 13p + 63p2 – 16p2 - 36 ANSWER: 5 Terms; {63p2 and – 16p2} ; {63 and – 36}

Topic 2 – 10 Points QUESTION: (3x – 5) + (-4x + 1) ANSWER: -x - 4

Topic 2 – 20 Points (-8 – 16x) + ( -2x + 29). 21 - 18x or -18x + 21 QUESTION: (-8 – 16x) + ( -2x + 29). ANSWER: 21 - 18x or -18x + 21

Topic 2 – 30 Points QUESTION: 3(x – 4) + (20 – 7x) ANSWER: -4x + 8

Topic 2 – 40 Points -25 – 6y or -6y - 25 QUESTION: ANSWER: (15 + 18y) + 4(-6y – 10) ANSWER: -25 – 6y or -6y - 25

Topic 2 – 50 Points QUESTION: -3(4m – 9) + (-10 + 17m) ANSWER: 5m + 17

Topic 3 – 10 Points QUESTION: (2m + 5) – (3 – 4m) ANSWER: 6m + 2

Topic 3 – 20 Points (-6w – 18) – (-12 + 14w) -20w - 6 QUESTION: ANSWER: -20w - 6

Topic 3 – 30 Points (-13 + 22b) – 5(6b – 8) 27 – 8b or -8b + 27 QUESTION: (-13 + 22b) – 5(6b – 8) ANSWER: 27 – 8b or -8b + 27

Topic 3 – 40 Points (18h – 28) – 3(-10h – 4) 48h – 16 or -16 + 48h QUESTION: (18h – 28) – 3(-10h – 4) ANSWER: 48h – 16 or -16 + 48h

Topic 3 – 50 Points QUESTION: (-4 - 8f) – ½(-8f – 16) ANSWER: -4f + 4

Topic 4 – 10 Points QUESTION: -12x = -60 ANSWER: 5

Topic 4 – 20 Points QUESTION: g = -5 -5 ANSWER: g = 25

Topic 4 – 30 Points QUESTION: 17 = -7k + 3 ANSWER: k = -2

Topic 4 – 40 Points QUESTION: 5x – 8x + 14 = -16 ANSWER: x = 10

Topic 4 – 50 Points QUESTION: 3(x +1) = -24 ANSWER: x = -9

Topic 5 – 10 Points x + (-12) = 6 ; x = 18 QUESTION: Write the word sentence as an equation. Then solve. The sum of a number x and negative 12 is 6. ANSWER: x + (-12) = 6 ; x = 18

Topic 5 – 20 Points y + 11 = -15 ; y = -26 QUESTION: Write an Equation and Solve 11 more than a number y is negative 15. ANSWER: y + 11 = -15 ; y = -26

Topic 5 – 30 Points QUESTION: Write an Equation and Solve. It costs $4.00 to rent bowling shoes and $3.00 for each game. If you have $16.00 in your wallet, how many games can you play? ANSWER: 4 + 3g = 16 ; you can play 4 games

Topic 5 – 40 Points QUESTION: Write an Equation and Solve. Your cell phone plan has a flat fee of $45 each month and you are charged $.35 for every text you send. If your bill this month was $80, how many texts did you send? ANSWER:45 + .35x = 80 ; 100 texts

Topic 5 – 50 Points QUESTION: The perimeter of the polygon is 37 cm. Write and solve an equation to find the unknown side length. ANSWER: 3x + 13 + 12 = 37 3x + 25 = 37 3x = 12 x = 4 unknown side is 12cm