Integers & Rational Numbers
Evaluate: −7+4(2)
What is 1?
Convert 3/5 to a percent
What is 60% ?
3/5=0.6
0.6(100)=60%
Solve: 2x−3=9
What is x=6?
Find the area of a triangle with base 10 and height 8.
What is 40?
1/2 (b)(h)
Evaluate 3+6(5+4)÷3−7
What is 14?
Which is greater: -3/4 or -0.5
What is -0.5 or -1/2?
What is 15% of 80
What is 12?
0.15x80=12
Solve: x+4/2=5
What is x=6
A square has an area of 49. What is the perimeter?
What is 28?
Area = 49 → Side = √49=7 → Perimeter = 4×7=28
Mode & Range: What is the mode and range of: 4, 7, 7, 2, 9, 2, 7?
What is
Mode:7, Range:7
Simplify: −23+5
What is -3?
Simplify: 5/8+3/4
What is 1 3/8 or 11/8
LCD=8
3/4(2/2)=6/8
5/8+6/8=11/8
8 goes into 11 1 time with 3/8 left over
Solve the inequality: 3x−2>7
What is x>3
Find the volume of a rectangular prism: 3 × 4 × 5.
What is 60?
V=width x height x length
Volume = 3×4×5=60
Median: Find the median of: 3, 9, 2, 7, 6
What is 6?
Place these in order: −1.5,−1 1/4,−1.8
What is
-1.8,-1.5,-1.25?
A shirt originally costs $60. It's on sale for 25% off. What's the sale price?
What is $45?
25% of 60=15
60-15=45
Write and solve: "Seven less than twice a number is 13."
What is Equation: 7-2x=13 or 2x-7=13 and x=10
A circle has radius of 7. Find the area. (pi≈3.14)
What is 153.86
A= pi(r2)=3.14x49=153.86
What is the mean of these numbers: 4, 8, 6, 10?
What is 7?
(4+8+6+10)=28/4=7
The temperature drops 4° every hour for 6 hours. What’s the total change?
What is -24?
−4×6=−24∘ → Total change: -24 degrees
Divide: 2/3÷4/5 and simplify your answer
What is 5/6
2/3 x 5/4=10/12=5/6
If x=−3 evaluate:|x2−10|
What is 1?
A circular can has a radius of 4 cm and a height of 10 cm. What is the volume of the can?
(Use pi≈3.14)
What is pie(r2)(h)
You have $60. You buy 2 shirts for $18 each and a hat for $12. How much money is left?
What is 12?
18(2)=36 total for shirts
36+12=48
60-48=12