Math Jeopardy 10 20 30 40 50 Decimal Squares Fraction City Death to Decimals Fraction Frenzy Decimals Detective Fresh Baked Fractions 10 20 30 40 50

Decimal Squares $10 Question What is the cost of 160 gallons of gasoline at $2.79 per gallon? ANSWER $446.40

.2425 Decimal Squares $20 Question ANSWER What is the median of this set of numbers? 13.3%, 3.56, 1/5, 2.3, 4.67%, 5.0%, 2/7 ANSWER .2425

Decimal Squares $30 Question Taxis have meter systems. The fare is $1.75 for the first tenth of a mile and $.30 cents for each fifth of a mile traveled. May was vacationing in Miami, FL and took a taxi ride to South Beach. If the distance is 5.7 miles, how much did she have to pay? ANSWER $10.15

Decimal Squares $40 Question Jim’s youth group is making plans for a dinner for 96 people. A one-pound box of spaghetti and two jars of sauce can feed 8 people. The spaghetti costs $1.19 a box and the sauce is $2.99 a jar. If they charge $5 per person, how much profit will they make? ANSWER $393.96

$305.25 Decimal Squares $50 Question ANSWER The cost of Jacque’s new car is $20,350. His uncle paid for the car and set up the following agreement: Jacque will pay 10% of the cost as a down payment and then make equal payments over the next 5 years. What will be his monthly payment? ANSWER $305.25

Fraction City $10 Evaluate the expression: ANSWER 29

Fraction City $20 If you divide 5 ½ cups of juice evenly among 6 glasses, how much juice is in each glass? ANSWER 11/12 of a cup

Fraction City $30 A family room measures 18 ½’ x 15 ¾’. How many square yards of carpet will you need to purchase? ANSWER 32 3/8

Fraction City $40 Solve: ANSWER 20

Fraction City $50 Find the mean: ANSWER -2 2/3

Death to Decimals $10 What is 53.2% of 50? ANSWER 26.6

Death to Decimals $20 38.25 ANSWER Jayne placed 3 pictures on an 8.5” x 11” sheet of paper. The pictures measured 2.5” x 4”, 3.5” x 3.5” and 5” x 7”. How much of the page is NOT covered by pictures? ANSWER 38.25

Death to Decimals $30 Solve: 77.7 ÷ 0.21 ANSWER 370

Death to Decimals $40 Increased by $88.86 ANSWER Brands Buy sells six different washing machines. The prices of the six machines are: $450, $400, $439, $599, $675, $899. One of the manufacturers adds a new super duper machine costing $1199. By how much did this new machine change the mean price of the washers? ANSWER Increased by $88.86

Death to Decimals $50 8 ANSWER Latasha makes an average of 45 free-throw attempts per game. If she makes 6 out of 10 shots from the free throw line, how many free throws must she make in order to increase her percentage to 80%? ANSWER 8

Fraction Frenzy $10 Question Simplify: ANSWER 6/7

Fraction Frenzy $20 Question Solve: ANSWER 8/3

Fraction Frenzy $30 Question Simplify: ANSWER 25

Fraction Frenzy $40 Question Mike has covered a distance of 330 yards on a circular track with a circumference of 440 yards. What is the measure of the arc through which he has run? ANSWER 270o

½ Fraction Frenzy $50 Question ANSWER What is the slope of a line that contains the points (-1, 5) and (3,7)? ANSWER ½

Decimals Detective $10 Question Tasha is acquiring prices for carpeting her room. The following are quotes, per square foot, that she received: $2.35, $3.25, $2.77, $3.22, $2.77, $2.55, $2.33, $2.77, $2.99, and $3.10. How many prices are over the mean price? ANSWER 4

454.7 Decimals Detective $20 Question Solve: 56.13 x 8.1 to the nearest tenths. ANSWER 454.7

.025 Decimals Detective $30 Question ANSWER Because of changes in the economy, a bank announced that it was going to raise the interest rate one quarter of a percent. How would you express this change as a decimal? ANSWER .025

Decimals Detective $40 Question A cylindrical can has a height of 5 inches and a diameter of 2 inches. What is the volume of the can? Use π = 3.14. ANSWER 15.7 inches3

152.5 Decimals Detective $50 Question ANSWER On a road trip, Tammy averaged 61 miles per hour. After 2.5 hours, how many miles had she driven? ANSWER 152.5

Fresh Baked Fractions $10 Question Evaluate: ANSWER -11/10

16/49 Fresh Baked Fractions $20 Question ANSWER The ratio of sides of two squares is 4:7. What is the ratio of their areas? ANSWER 16/49

Fresh Baked Fractions $30 Question Solve: ANSWER 2 ¼

Fresh Baked Fractions $40 Question Solve for y: ANSWER

4/5 Fresh Baked Fractions $50 Question ANSWER A bag contains 10 balls numbered 1 to 10. What is the probability of getting a ball with an even number or a number less than 6? ANSWER 4/5