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Solving Equations Using Addition or Subtraction
Solving Equations Using Multiplication or Division
Solving Two-Step Equations
Finding Dimensions of Plane Figures
Finding Dimensions of Prisms
100
Solve the equation and check your solution: k + 6 = 18
k = 12
100
Solve the equation and check your solution: 6 = t/5
t = 30
100
Solve the equation and check your solution: 8 + z/4 = 23
z = 60
100
The area of a rectangle is 42 square mm. The length of the rectangle is 7 mm. The width is x mm. Write and solve an equation to find the width of the rectangle.
42 = 7x; width = 6 mm
100
Find the volume of a rectangular prism that has a length of 12 inches, a width of 6 inches, and a height of 8 inches. (HINT: VOLUME = LWH)
576 cubic inches.
200
Solve the equation and check your solution: 8 = r - 14
r = 22
200
Solve the equation and check your solution: 7x = 105
x = 15
200
Solve the equation and check your solution: 12w - 8 = 28
w = 3
200
The perimeter of a rectangle is 36 yards. The width of the rectangle is 8 yards, and the length of the rectangle is x yards. Write and solve an equation to find the length of the rectangle.
36 = 8 + 8 + x + x; Length = 10 yards
200
Find the volume of a rectangular prism that has a length of 7 inches, a width of 5 inches, and a height of 4 inches.
140 cubic inches
300
Solve the equation and check your solution: 1.2 = m - 2.5
m = 3.7
300
Solve the equation and check your solution: b/12 = 4.5
b = 54
300
Solve the equation and check your solution: s/3 - 0.6 = 1.2
s = 5.4
300
The area of a triangle is 36 square inches. The base of the triangle is 8 inches. The height is w inches. Write and solve an equation to find the height of the triangle. (HINT: AREA OF TRIANGLE = (bh)/2)
36 = (8w)/2; height = 9 inches
300
The volume of a rectangular prism is 1620 cubic centimeters. The length of the prism is 9 cm. The width of the prism is 9 cm. The height of the prism is h. Write and solve an equation to find the height of the rectangular prism. (HINT: VOLUME = LWH)
1620 = 9(9)h; height = 20 cm
400
Solve the equation and check your solution: a + 5.5 = 17.3
a = 11.8
400
Solve the equation and check your solution: 12.5n = 32
n = 2.56
400
Solve the equation and check your solution: 2.4a + 8 = 27.2
a = 8
400
The area of a triangle is 44 square centimeters. The base of the triangle is 11 centimeters. The height of the triangle is x centimeters. Write and solve an equation to find the height of the triangle. (HINT: AREA OF TRIANGLE = (bh)/2).
44 = (11x)/2; height = 8
400
A rectangular gift box has a volume of 936 cubic inches. The length of the box is x. The width of the box is 13 inches, and the height of the box is 3 inches. Write and solve an equation to find the length of the gift box. (HINT: VOLUME = LWH)
936 = 3(13)x; length = 24 inches
500
The area of Jamaica is 4182 square miles. The area of Jamaica is is 6460 square miles less than the area of Haiti. Find the area of Haiti.
10, 642 square miles
500
You earn $0.25 for every glass of lemonade you sell. How many glasses do you need to sell to earn $30
120 glasses
500
You buy three CDs and a $15 DVD. You spend $45. Write and solve an equation to find the price of each CD.
3x + 15 = 45, x = $10
500
A yield sign has a perimeter of 2.28 meters. What is the length of one of its sides?
0.76 meters.
500
An air mattress has a volume of 646 cubic inches. The length of the mattress is 19 inches. The width of the mattress is w, and the height of the mattress is 2 inches. Write and solve an equation to find the width of the air mattress. (HINT: VOLUME = LWH)
646 = 19(2)w; Width = 17 inches