Fractions and Decimals
What is 0.3 + 0.45? (NO CALCULATOR)
0.75
The ratio of cats to dogs is 2:3.
If there are 10 cats, how many dogs are there?
15
3x + 4 = 19
x = 5
What is the perimeter of a rectangle with length 6 and width 2?
16
A number increased by 7 equals 19.
What is the number?
12
What is 2/3 + 1/6? (NO CALCULATOR)
5/6
A recipe uses a ratio of 1 cup sugar : 4 cups flour.
If you use 5 cups of sugar, how much flour do you need?
20 cups
x + 7 = 3x − 5
x = 6
What is the area of a rectangle with length 8 and width 5?
40
A worker earns $9 per hour. They made $63.
How many hours did they work?
7 hours
What is 3/8 as a decimal? (NO CALCULATOR)
0.375
A paint mixture uses 2 parts blue to 7 parts white.
If you use 14 parts white, how many parts blue do you need?
4
3(x − 2) + 4 = 10
x = 4
What is the area of a triangle with base 10 and height 6?
30
A gym charges a $10 sign-up fee plus $15 per month.
If someone paid $85 total, how many months did they stay?
5 months
What is 3/4 × 2? (NO CALCULATOR)
6/4 = 3/2 = 1 1/2
A map scale is 1 inch = 5 miles.
If two towns are 3 inches apart, how far apart are they in real life?
15 miles
3x + 5 ≤ 20
x ≤ 5
A rectangular room is 12 feet long and 9 feet wide. Carpet costs $3 per square foot.
How much does it cost to carpet the entire room?
Area = 12 × 9 = 108 square feet
Cost = 108 × 3 = 324
A car travels 55 mph for some hours and covers 165 miles.
How long did the trip take?
3 hours
0.48 × 1.35 (NO CALCULATOR)
0.648
Which is equivalent to 6:8?
A) 3:4
B) 2:5
C) 4:6
3:4
y = x − 2
2x + y = 13
What are the x and y values?
x = 5, y = 3
A ladder is leaning against a wall. The base of the ladder is 5 feet away from the wall, and the top of the ladder reaches 12 feet up the wall.
How long is the ladder?
c = 13
13 feet
A shirt originally costs $50. It is discounted by some percent and the sale price is $35.
What was the percent discount?
30%