Decimals, Percents, Fractions
What is 0.25 as a fraction and percent?
25/100 and 25%
+5 + (-27) =
-22
What is the definition of a variable?
An unknown value represented with a letter, for example x or y
What is the formula for area of a rectangle?
A = l x w
What are the chances that you'll pull your name in a class of 20 students? Write as fraction.
1/20
Add the following: 152.26 - 23.25
129.01
Solve +10 x (-4) =
-40
Solve for x. 2x + 5 = 15
x = 5
If the radius is 5cm. What is the diameter?
d = 10 cm
There's 20 dogs in the sheter and only 5 cats, what is the probability of a cat being adopted? Write as fraction and percent
5/25 = 20%
Find percent of 2/5. NO CALCULATOR.
40%
What are opposite integers? Give an example.
Numbers that are the same distance from zero but on opposite sides of zero ex. -5 and +5.
Which one is an expression? 2x +3, 2x +3 = 13, 3x -3
A circle has a diameter of 12cm. What is the circumference? Round to nearest tenth.
37.7 cm
You purchase a can of beans at Walmart for $2 with a 20% off coupon. What is the discount?
$0.40 - 40 cents
Each lollipop costs $0.50 and you have $2. How many lollipops can you buy?
4
Solve -100 + 42 - 10 + 2
-66
Solve for x. -5a + 5 = 20
a = -3
The diameter of a circle is 20cm. What is the area? Round to nearest tenth.
314.2 cm 2
An item is 35% off $50. How much does it cost? Tax of 10% also.
$35.75
Put these in order from greatest to least: 1/4, 0.20, 10%, 3/10, 0.02, 3%
3/10, 1/4, 0.20, 10%, 3%, 0.02
-100, -4, -2, 0, 27, 50
Solve for x. 9x -21 + 6 = 102. Calculator is allowed.
x = 13
If the area of a circle is 78.54 cm2 what is the circumference of the circle?
31.4 cm
You go to a restaurant and your subtotal is $50. What is your total cost with 13% tax and a 20% tip?
$67.80