Scale Factor and Proportionality
Percents
Integer Operations
Slope
Riddles
100
Jeff drew a model of an airplane with a wing of 5 in. He used a scale of 1 inch: 5 feet. Find the actual length of the wing.
What is 25 feet?
100
A certain container of mouthwash usually costs $2.99 at a store. If it is on sale for 20% off, how much does the mouthwash cost now?
What is $2.39?
100
-61 - 28
What is -89?
100
Find the slope of the line containing the points (2,5) (7,9)
What is 4/5?
100
This is in the middle of Toronto.
What is the letter "o"?
200
On Fiona's map, the distance from her office to her house measures 3.5 in. The map scale is 1 in. = 16 mi. If Fiona drives back and forth, how many total miles will her round trip be?
What is 112 miles?
200
If a sweater costs $37.99, and the sales tax is 6%, what is the total price of the sweater?
What is $40.27?
200
46 + (-17) + 38
What is 67?
200
Find the slope of a line containing the following points (3,0) (3,4)
What is undefined?
200
You can break this, even if you never pick it up or touch it.
What is a promise?
300
Is this a proportional relationship? If yes, what is the constant of proportionality? If no, why not?
What is no because the ratio of y to x is not constant
300
Jalen measured the length of a pen to be 22cm. The actual length is 23cm. Which is closest to the percent error for Jalen’s measurement?
A. 4.3%
B. 4.5%
C. 95.7%
D. 104.5%
What is A. 4.3%?
300
The product of a negative and a positive number is......
What is "negative"?
300
Find the slope of the line containing the following points (3,5) (7,5)
What is 0?
300
I am light as a feather, yet the strongest person can't hold me for 5 minutes.
What is your breath?
400
On a graph, the line has to go through what to be proportional?
What is the origin? (or point 0,0)
400
A car is 180 inches long. A truck is 75% longer than the car. How long is the truck?
What is 315 inches?
400
(10 ∙ -2)/5
What is -4?
400
Find the slope of the line containing the following points (-2,5) (4,7)
What is 1/3?
400
I am an odd number. If you take away a letter, I become even.
What is seven?
500
It takes Daniel 2 1/2 hours to mow 3/4 of his lawn. How long does it take him to mow his entire lawn?
What is 3 1/2 hours? (or 3.5 hours, 10/3 hours, or 20/6 hours)
500
AJ’s dad is paying for a $20 meal. He has a 15%-off coupon for the meal. After the discount, a 7% sales tax is applied. What does AJ's dad pay for the meal? Explain or show your reasoning.
What is $18.19?
500
-30 ∙ (-4)
What is 120?
500
Find the slope of the line containing the following points (3,7) (5,2)
What is -5/2?
500
What three numbers, none of which is zero, give the same result whether they’re added or multiplied?
What is 1, 2, and 3?