ALGEBRA
NUMBER THEORY
Riddles
MEASUREMENT
DATA, PROBABILITY & STATISTICS
100
The name for a number statement with two sides equal.
What is an equation?
100
1/3 + 1/3 = ?
What is 2/3?
100

A cowboy rode into town on Friday. He stayed for three nights and rode out on Friday. How is this possible?

His horse's name is Friday.

100
One foot is _______ inches
What is 12?
100
The middle number in a series of ordered numbers.
What is the median?
200
A set with two terms (x, y)
What is an ordered pair?
200
3/4 - 1/2 = ?
What is 1/4?
200

 I am easy to lift, but hard to throw. What am I?

A feather

200
Maria ate 5 quarter pounder hamburgers so she ate _____ lbs of beef.
What is 1 1/4lbs.
200
The chance a boy is chosen in a class of 16 boys and 8 girls.
What is 2/3?
300
17 x = 34
What is 2?
300

34.817 rounded to the nearest tenth?

What is 34.8?

300

I'm not a blanket, yet I cover the ground; a crystal from heaven that doesn't make a sound. What am I?

A snowflake

300
The best metric unit to measure the distance to another city.
What is a kilometer?
300
The type graph made with a circle and sounds like a term used in circles.
What is a pie?
400
-18 - (-x) = 2
What is 20?
400

22.5 x -3 =?

What is -67.5

400

What do the numbers 11, 69 and 88 all have in common?

 They all read the same way when placed upside down.

400
The time to travel 45 miles going 30 mph.
What is 1 1/2 hours?
400
The next number in this series is 2, 6, 14, 30, ....
What is 78?
500
15x + 3 = 48
What is 3?
500

What is the mean of the following numbers: 297, 485, 671, 882, 108965, 71, 987? Round to nearest tenth.

16,051.1

500

What is 3/7 chicken, 2/3 cat, and 2/4 goat?

Chicago!

500

354 mm in meters.

What is 3.54 m?

500
Aaron had scores of 7, 8, 9, 8 and 8 so the mean was ___
What is 8?
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