Evaluating Expressions
Solve for y.
12y = 72
y = 6
Length = 3 Height =4 Width = 2
V = 24
12 cupcakes in 3 boxes = how many cupcakes per box?
4 cupcakes
Estimate the sum.
2.1 + 4.1 = ?
6
Lexi buys 7 ice cream scoops for $40.95. The scoops all have the same price. What is the price of each scoop?
5.85
6y - 3 = 15
y = 3
Find volume
Length, Width, Height = 10
V = 1000
39 apartments on 3 floors = how many apartments per floor?
13 apartments
Estimate the sum by rounding each number to the nearest whole number and then adding.
5.71 + 7.42
Add:
–2 + –5 =
-7
21 + 4y = 17
y = -1
Find Volume
L = 2 W = 2.5 H = 5
V = 25
94 minutes for 47 songs = how many minutes per song?
2 minutes per song
Estimate the sum by rounding each number to the nearest whole number and then adding.
5.37 + 1.7
7
Each side of a square notepad is 10 centimeters long. What is the notepad's area?
100 cm
8x - 12 = 10 - 3x
x = 2
Find the missing side.
L = 4 W = 5 H = ?
Volume = 60
H = 3
A seed sprouted and grew 2/3 of a foot in 3 months. What was its rate of growth per month?
0.223 feet per month
Estimate the product. Round each factor to the nearest whole number, and then multiply.
4.8 × 3.1
15
In 16.92, which digit is in the tens place?
1
72y - 14 = 12y + 16
y = 0.5
Find the missing side.
L = 12.6 W = ? H = 17.4
Volume = 326.9
W = 1.49
If a plant grows 0.223 feet per month. How many feet will in grow in a full year?
2.676 feet tall.
Estimate the difference by rounding each number to the nearest whole number and then subtracting.
5.8 − 2.7
3
Which fraction is greater?
5/8