Order of Operations
Mental Math & Estimation
Math Riddles
Fractions, decimals, percents
Measurement
100

What is 24 / 6 + 5 ?

9

100

What is 1002  - 240 ? 

762

100

Put these in order of speed from slowest to fastest:

cough, sneeze, fart

fart (7mph), cough (60mph), sneeze (100mph)

100

Which is greater?  5/6  or  4/5  ?

5/6

100

How many faces does a triangular prism have?

4

200

What is 10 - 5 x 2  ?

0

200

Arithmophobia is the fear of.....

numbers!

200

I am thinking of a number. I multiply it by 4 and subtract 6 to get 26.  What was my number?

8

200

Write 0.25 as a fraction in simplest form.

0.25 = 25/100  =  1/4

200

What is the measure of a straight angle?

180o

300

What is   6 x (10 - 4) + 8

44

300

What is 0.5 x 400?

200

300

I am an even 3-digit number.  The sum of my digits is 15 and the tens digit is 4.  W

744 or 942

300

True or False:  you can't hum while plugging your nose.

TRUE

300

Name one way a rhombus is different from a square.

no 900 angles

400

True or False:   (20 - 8) / 4  =  20 - (8 / 4)

False

400

What is 15 x 12 ?

180

400

Two numbers have a product of 72 and a sum of 18.  What are the numbers?

12 and 6

400

Order from least to greatest:    5/8  ,  0.6  ,  65%

0.6  ,  5/8  ,  65%

400

How long is a day on the planet Neptune?

16 hours

500

What was the last letter to be added to the alphabet?

J  was added  to the latin alphabet in the early 1600's.  Prior to that the letter "I" was a vowel & consonant.

500

Estimate:  498 + 203 - 97

600

500

I am an odd number between 1 and 100.  I have exactly 6 factors. My digits are 2 numbers apart. What number could I be?

68

500

What is 3/4 of 40?  

30

500

A rectangle has a perimeter of 36cm.  If the length is 10cm, what is the width?

Width = 8cm