Ratios & Proportional Relationships
What is a ratio?
What is a comparison of two quantities using division?
Simplify: 3x + 2x
What is 5x?
How many degrees are in a triangle?
What is 180 degrees?
What is the mean of 5, 10, and 15? What is the mean of 5, 10, and 15?
What is 10?
What is the opposite of -8?
What is 8?
What is the unit rate of 60 miles in 2 hours?
What is 30 miles per hour?
Solve: x + 7 = 12
What is x = 5?
Find the area of a rectangle with length 8 and width 5.
What is 40 square units?
What is the median of 3, 8, 2, 10, and 7?
What is 7?
Add: -3 + (-6)
What is -9?
A recipe uses 3 cups of flour for every 2 cups of sugar. What’s the ratio of flour to sugar?
What is 3:2?
Factor: 6x + 12
What is 6(x + 2)?
Find the volume of a cube with side length 4.
What is 64 cubic units?
What is the probability of flipping a coin and getting heads?
What is 1/2?
What is an integer? Give two examples.
What is an integer is a whole number that can be positive, negative, or zero. Examples: -3, 0, 5?
Solve: If 5 pens cost $2.50, how much do 8 pens cost?
What is $4.00?
Solve: 2(x - 3) = 10
What is x = 8?
What is the circumference of a circle with a diameter of 10? (Use π ≈ 3.14)
What is 31.4 units?
A spinner has 4 equal sections: red, blue, green, yellow. What is the probability of not landing on red?
What is 3/4 or 75%?
: Evaluate: −6+4×2
What is 2?
Is the relationship between x and y proportional?
x: 1, 2, 3, 4;
y: 3, 6, 9, 12
What is yes; the ratio y/x = 3 is constant?
A number x is tripled and then 5 is subtracted. The result is 16. Write and solve the equation.
What is 3x - 5 = 16 → x = 7?
A triangle has angles measuring 35° and 65°. What is the third angle?
What is 80°?
What is the range of the numbers: 4, 9, 2, 11, 7?
What is 9?
A scuba diver is 25 feet below sea level. She dives 18 feet deeper, then rises 12 feet. What is her final position relative to sea level?
What is : −25−18+12=−31-25 - 18 + 12 = -31−25−18+12=−31 feet (31 feet below sea level)?