Math Jeopardy

Rational Numbers

100

What is 2/3 divided by 67/245?

2 88/201

200

What is the simplest form of 2700/540?

5

300

What is 3/8 divided by 9/12?

1/2

400

What is 71/100 times 1/3?

71/300

500

What is 2234/2124x12?

12 1101/77

Integers

100

What is 2/4 - 12 1/4?

-11 3/4 or -11.75

200

What is an integer?

A number that is whole and isn't a fraction, or a decimal which can be positive and negative.

300

300-40+3=

263

400

70-122+2=

-50

500

700-49(7)+1(76)=

433

Distributive Property

100

4(12+3) + -2(-6-1)=

60

200

-18(7/8 - 2/3)=

-3 3/4 or -3.75

300

-3(4/3 + 4)=

-16

400

4(12+3) + -2(-6-1)

74

500

123(5-2)+3(-4-3)=

348

Recursive Routines

100

1, 2, 4, 8, 16,...

Finish the next three terms

32, 64, 128

200

3,9,27,81,243 What is the pattern?

Multiply by 3 each time

300

35, 23, 1, -21...

What are the next 3 terms?

-43, -65, -87

400

Which two numbers do not belong in the pattern?

12, 20, 28, 36, 42, 49, 52, 60...

42 & 49

500

43, _, 93,_, 143,_,_,218

      1      2         3 4 

What are the missing numbers?

1. 69

2. 118

3. 168

4. 193

Ratios

100

There are 26 students in a class, and one teacher. 13 people in the class are boys. What is the ratio of the amount of boys in the classroom to everyone in the class?

13/27

200

There is a small shoe store that has 7 black shoes, 5 blue shoes, 5 green shoes, and 3 red shoes. What is the ratio of black AND blue shoes to the ratio of green AND red shoes?

3/2

300

Poncho's Petco bought 250 pounds of dog food, 123 pounds of cat food, and 117 pounds of rabbit food. What is the ratio of cat food to rabbit food and dog food combined?

123/367

400

There is a dozen box of donuts from Frost Donuts which has 7 donuts with chocolate frosting. There is another half a dozen donut boxes that have 5 donuts with chocolate frosting. Which box has a higher ratio of donuts with chocolate frosting then other donuts in their box?

The Top Pot box.

500

There is a Skittles packet that has 3 yellow Skittles, and a total of 17 Skittles including the yellow ones. Bob thinks that there isn't enough yellow Skittles in the bag compared to the other Skittles in the bag. Is he correct? Explain how you know.

The ratio of the yellow Skittles compared to the other Skittles in the bag is 3/14. That isn't a high ratio. Therefore, Bob is correct.