Riddles
Order of Operations
Integers
Fractions
Percents
Rate and Ratio
100

What can you catch but not throw?


a cold

100

Simplify the following expression:

                         62


100

Order least to greatest.

0.4, -1.5, -11/10

-1.5, -11/10, 0.4

100

Convert the following decimal to a fraction .38

19/50

100

What is 3/4 as a percent?

75%

100

Balia knows that 6 cups of rice will feed 15 people.  How many cups of rice are needed to feed 135 people?

54 cups

200

What kind of room has no windows or doors?

mushroom

200

Simplify the following expression:

                             5  


200

Which  numbers are greater than -5?

1.3, -6, -12, 1/7, -1

1.3, 1/7, -1

200

2/3 x 5/4

5/6

200

30% of 90

81

200

A train in Japan can travel 805 miles in 5 hrs.  Find the unit rate in miles per hour

161

300

What month of the year has 28 days?



all of them

300

3 + 42 * (3 + 2)


                       83

300

What numbers have an absolute value of 3/2?


3/2, -3/2

or

1 1/2, -1 1/2

300

Convert the following fraction to a decimal 7/20

.35

300

75% of 30

40

300


Charlie reads 180 pages in 1 hour. How many pages can Charlie read per minute?

3

400

What has to be broken before you can use it?


egg

400


                           45

400

Complete the inequality.

l-32l ____ l15l

l-32l > l15l

400

1 3/4 x 1/21

1/12

400

What percent is 7 of 14

50%

400

An ice skater covered 1500 meters in 106 seconds.  What is her unit rate in meters per second

14.15 m per second

500

David’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

David

500


                                      30

500

If x=-4, what is -x?

4

500

2/5 divided by 7/10

4/7

500

20 is 40% of what number

50

500

Arrange from most expensive to least expensive if they buy lunch 5 days per week:

Alice spends $3 per day; Betty spends $25 every 2 weeks; Cindy spends $75 per month (assume 4 weeks in a month)

Cindy, Alice, Betty

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