Integers & Rational Numbers
What is the opposite of -8?
8
Simplify: 3x + 2x
5x
Are the ratios 2:3 and 4:6 equivalent?
Yes
What is the formula for the area of a rectangle?
a = L x W
Is a markup an example of a percent increase?
Yes
Solve: -13 + 7
-6
Solve: x - 4 = 10
x = 14
A map scale shows 1 inch = 5 miles. How many miles is 3.5 inches?
17.5
Is a triangle with the sides 5 cm, 6 cm, and 7 cm possible?
Yes
A recipe calls for 2 cups of flour for 4 cookies. How much flour for 12 cookies?
6 cups
Order from least to greatest: 0.5, -1, 3/4, -2
-2, -1, 0.5, 3/4
Factor: 4x + 8
4(x+2)
Solve: If 3 pencils cost $0.90, how much do 5 pencils cost?
$1.50
Find the area of a circle with radius 3 cm. Use π ≈ 3.14.
28.26 cm
How old is Mrs. Gonzalez?
32
True or False: Every integer is a rational number.
True
If 5x + 3 = 23, what is x?
x = 4
A car travels 180 miles in 3 hours. What is the unit rate?
60 miles per hour
A triangle has angles measuring 45° and 65°. What is the third angle?
70 degrees
Sing the volume song!
Area of the base times height... that calculates volume!
Convert -4.2 into a fraction in simplest form.
-4 and 1/5
Write an expression for "3 more than twice a number."
2x + 3
Kelly bought a shirt that was originally priced at $16. She only paid $12 at checkout (no tax). What percent discount was offered?
25% off
Find the volume of a triangular prism: base = 4cm, height = 5cm, prism height = 2cm.
20 cubic cm
True or False: Area is measured in cubic units.
False