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Review for Quarter 3 Test 3

Review for Quarter 3 Test 3. XLII. Variables and Expressions XLIII. Translate Between Words & Math XLIV. Solving Subtraction Equations XLV. Solving Addition Equations XLVI. Solving Division Equations XLVII. Solving Multiplication Equations.

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Review for Quarter 3 Test 3

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  1. Review for Quarter 3 Test 3 XLII. Variables and Expressions XLIII. Translate Between Words & Math XLIV. Solving Subtraction Equations XLV. Solving Addition Equations XLVI. Solving Division Equations XLVII. Solving Multiplication Equations

  2. Evaluate when a=10, b=22, c=14 and d=81) a + 3 2) 21 - c 3) 5a4) 44 5) adba-6 1) 13 2) 7 3) 50 4) 2 5) 20

  3. Evaluate when a=4, b=3, and c=1.6) 6a +3 7) (a + b) -5 8) a + (b-c)9) 100-a 10) 7(b + c) 11) 3a2bab 6) 27 7) 2 8) 6 9) 32 10) 28 11) 4

  4. Translate each into a mathematical expression or equation:12) 5 more than w 13) the quotient of n and 12 is 414) one-fourth of c 15) 7 subtracted from q is 816) the sum of 2 and x 17) the difference of t and 4 is 1118) v added to 8 19) the product of s and 2 is 18 12) w + 5 13) n = 4 14) 1/4c 15) q - 7=8 12 16) 2 + x 17) t- 4=11 18) 8 + v 19) 2s = 18

  5. Solve algebraically:20) 8 + x = 17 21) y - 12 = 9 22) 4r = 28 23) t=8 3 20) 8 + x = 17 21) y - 12 = 9 -8 -8 +12 +12 x = 9 y = 21 22) 4r = 28 23) (3) t = 8 (3) 4 4 3 r = 7 t = 24

  6. Problem Solving: 24) Frank has a bag of candy which he will share with his 6 friends. Each person (including himself) will receive 4 pieces. Write and solve a division equation which will show how many pieces of candy Frank has in the bag. Be sure to write a let statement. Answer: let c = pieces of candy in bag Equation: c = 4 Solve: (7) c = 4 (7) 7 7 c = 28 pieces

  7. 25) Fran has 7 more pencils than Eric. Fran has 12 pencils. Write and solve an addition equation to show how many pencils Eric has. Be sure to write a let statement. Answer: let p = pencils Eric has Equation: p + 7 = 12 Solve: p + 7 = 12 - 7 - 7 p = 5 pencils

  8. 26) Mike can swim 3 times as many laps as Don. If Mike swims 21 laps, how many laps will Don swim? Write and solve a multiplication equation.Be sure to write a let statement. Answer: let s = # of laps Don will swim Equation: 3s = 21 Solve: 3s = 21 3 3 s = 7 laps

  9. 27) Molly is 7 years younger than her cousin Emma. Molly is 4 years old. Write and solve a subtraction equation to find how old Emma is. Answer: let y = Emma’s age Equation: y - 7 = 4 Solve y - 7 = 4 +7 +7 y= 11 years old

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