Simplify 12/16
3/4
How many degrees are in a triangle?
180°
2x+5 =35
find x
15
A class has 20 students. 12 are girls. What fraction are boys?
2/5
If 3 pencils cost $9, how much for 5 pencils?
$15
Simplify 28/42
2/3
Find the area of a rectangle with length 8 cm and width 5 cm.
40 cm²
If y = 2x + 1, what is y when x = –3?
–5
A shirt costs $30. It’s on sale for 20% off. New price ?
$24
What is the constant of proportionality in y = 5x?
5
Find the sum of 9/10 + 4/5
1 7/10
The volume of a cube with side length 4?
64
Q: Solve: 2x – 4 = 10.
x = 7
: A train leaves at 2:15 PM and arrives at 4:45 PM. How long is the trip?
2.5 hours
Solve: 4/7 = x/21.
12
A recipe calls for 2/3 cup sugar. You want half the recipe. How much sugar?
1/3 cup
A triangle has angles 50° and 70°. Find the missing angle.
60°
Combine like terms 3x - 6x + 5 -2x - 3
-5x + 2
A number is doubled and then 6 is added. The result is 20. What is the number?
7
A map scale shows 4.5 inch = 10 miles. How many miles are 9 inches?
20 miles
Divide 5 ÷ 1/4.
20
Circumference of a circle with radius 7 (use π = 3.14). ( round to a whole number )
44
Expand: (x + 3)(x + 2).
x² + 5x + 6
The average of 5 test scores is 80. If 4 scores are 75, 85, 90, and 70, what’s the 5th score?
80
A car travels 180 miles in 3 hours. What’s the speed per minute?
1 mpm