- 12(1/3 + 3/4)
- 12(4/7) = 47/7 = 6 6/7
- 13/3 + 15/4 = 97/12 = 8 1/12
- 12(13/12) = 12
- 12 + 1/3 + 3/4 = 13 1/12
- 42 + 56
- (40 + 2) + (60 - 4) = (40 + 60) - (2 + 4) = 92
- (30 + 12) + (40 + 16) = 30 + 12 + 40 + 16 = 94
- (40 + 2) + (50 + 6) = (40 + 50) + (2 + 6) = 98
- (60 - 18) + (60 - 4) = (60 + 60) - (18 - 4) = 106
- 75/5
- 7 x 24
- 7 x 4 + 20 = 28 + 20 = 48
- 7 + 20 x 4 = 7 + 80 = 87
- 7 x 20 + 4 = 140 + 4 = 144
- 7 x 20 + 7 x 4 = 140 + 28 = 168
- Hannah and three friends go to the movies and all order popcorn. Tickets cost $10 and popcorn is $5 each. Use the distributive property to write an expression that shows how much money the group spends. _________
- Greg is lining a large, rectangular display box with a decorative molding. The display box is 28 inches on one edge and 35 inches on the other. How much molding does Greg need?
- 61 linear inches
- 104 linear inches
- 126 linear inches
- 140 linear inches
- During a trip to Hawaii,2/3 of the group of 60 take the tour to the volcano, while 1/4 go bird-watching. The rest volunteer to dig up invasive plant species. How many volunteer?
- 5
- 15
- 40
- 55
- The Big Round Ball Company makes shot-puts in several weights: 4 pounds, 6 pounds, and 10 pounds. The company wants the weight of every box of shot-puts it ships to be the same, regardless of which particular single size shot-put is inside. What is the lightest possible box?
- 30 pounds
- 60 pounds
- 90 pounds
- 120 pounds
Answers:
- 12(13/12) = 12
- (30 + 12) + (40 + 16) = 30 + 12 + 40 + 16 = 94
- c.
- 7 x 20 + 7 x 4 = 140 + 28 = 168
- 4(10 + 5) = 60
- 126 linear inches
- 5
- 60 pounds
Reference:
Complete Test Preparation for the GED Test 2014 by Steck-Vaughn
