Proportions
Exponents
Finding X
Word Problems
Graphing
100
What is a ratio? Give an example.
A ratio shows how two numbers compare. Example: 2 to 3 or 2:3.
100
What does 3² mean?
3 × 3
100
x + 5 = 12. What is x?
7
100
You have 12 apples. Share with 3 friends. How many apples each?
4 apples each
100
What are the x-axis and y-axis?
The x-axis goes across. The y-axis goes up and down.
200
Is 2:3 the same as 4:6? Yes or no?
Yes. They are equivalent ratios.
200
What is 5²?
25
200
x - 7 = 15. What is x?
22
200
One movie ticket is $8. How much for 4 tickets?
$32
200
Where is point (3, 2)? Which part of the grid?
In the first quadrant (top right)
300
3 pencils cost $1.50. How much for 5 pencils?
$2.50
300
Write this with an exponent: 2 × 2 × 2 × 2
2⁴
300
4x = 20. What is x?
5
300
A car goes 180 miles in 3 hours. How many miles each hour?
60 miles per hour
300
What is the distance between (2, 3) and (2, 7)?
4 units
400
Is 5:8 the same as 15:24? Show your thinking.
No. 5:8 = 0.625, but 15:24 = 0.625, so actually: Yes (they are equivalent).
400
What is 10² + 4³?
100 + 64 = 164
400
x ÷ 3 = 9. What is x?
27
400
3 shirts cost $45. How much for 1 shirt?
$15
400
Point is at (-4, 5). Flip across x-axis. Where is it now?
(-4, -5)
500
A recipe needs 4 cups of flour for 6 cookies. How many cups for 15 cookies?
10 cups
500
Solve: 2⁴ + 3² - 5
16 + 9 - 5 = 20
500
2x + 3 = 11. What is x?
4
500
Sarah spent $25 and has $15 left. How much did she have before?
$40
500
A line goes through (0, 0) and (2, 4). What is the slope?
2