Integers & Rational Numbers
What is −7+12?
What is 5?
Simplify: 3x+2x
What is 5x?
Solve: x+7=15
What is x=8?
What is 25% of 80?
What is 20?
How many degrees are in a triangle?
180°
What is −4(−6)?
What is 24?
Simplify: 4x+7−2x+3
What is 2x+10?
Solve: 3x=21
What is x=7?
A $40 shirt is 20% off. What is the sale price?
What is $32?
Find the area of a rectangle with l=8, w=5.
40 square units
Which is greater: −2/3 or −3/4?
What is -2/3?
Evaluate 2x+5 when x=−3.
What is -1?
Solve: 2x−5=13
What is x=9?
A recipe uses 3 cups of flour for 2 batches. How much is needed for 5 batches?
7.5 cups
Find the area of a triangle with b=10, h=6.
30 square units
What is 43−65?
What is -22?
Simplify: 3(2x−4)+5x
What is 11x-12?
Solve: 4(x−2)=20
What is x=7?
A number increases from 50 to 65. What is the percent increase?
30%
Two angles of a triangle are 45° and 65°. What is the missing angle?
70°
Order: −1.2,45,−5,0.5,−31 from least to greatest.
What is -31, -5, -1.2,0.5,45?
If x=2 and y=−3, evaluate 4x−2y+1.
What is 15?
Solve: 3x+7=2x−9
What is x=16?
A $60 item is 30% off, then 8% tax is added. What is the final cost?
$45.36
A circle has radius 5. Write an expression for its circumference using π.
10π units