Math JeopardyDecimal Squares

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Decimals Detective

Fresh Baked Fractions

10 10 10 10 10 1020 20 20 20 20 2030 30 30 30 30 3040 40 40 40 40 4050 50 50 50 50 50

Decimal Squares $10 Question

What is the cost of 160 gallons of gasoline at $2.79 per gallon?

$446.40ANSWERANSWER

Decimal Squares $20 Question

What is the median of this set of numbers?

13.3%, 3.56, 1/5, 2.3, 4.67%, 5.0%, 2/7

.2425ANSWERANSWER

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?

$10.15ANSWERANSWER

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?

$393.96ANSWERANSWER

Decimal Squares $50 Question

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?

$305.25ANSWERANSWER

29

Fraction City $10

ANSWERANSWER

Evaluate the expression:

€

102

3÷

4

9+ 5

11/12 of a cup

Fraction City $20

ANSWERANSWER

If you divide 5 ½ cups of juice evenly among 6 glasses, how much juice is in each glass?

32 3/8

Fraction City $30

ANSWERANSWER

A family room measures 18 ½’ x 15 ¾’. How many square yards of carpet will you need to purchase?

20

Fraction City $40

ANSWERANSWER

Solve:

€

13 +x

4= 18

-2 2/3

Fraction City $50

ANSWERANSWER

Find the mean:

€

−211

12,−2

5

6,−2

1

4,−2

7

12,and − 2

3

4

26.6

Death to Decimals $10

ANSWERANSWER

What is 53.2% of 50?

Death to Decimals $20

ANSWERANSWER

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?

38.25

Death to Decimals $30

Solve: 77.7 ÷ 0.21

370ANSWERANSWER

Death to Decimals $40Brands 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?

Increased by $88.86

Increased by $88.86ANSWERANSWER

Death to Decimals $50

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%?

8ANSWERANSWER

6/7

Fraction Frenzy $10 Question

ANSWERANSWER

Simplify:

€

36

49

8/3

Fraction Frenzy $20 Question

ANSWERANSWER

Solve:

€

4

3•

5

4•

6

5•

7

6•

8

7

25

Fraction Frenzy $30 Question

ANSWERANSWER

Simplify:

€

6 43( )1

6− 24

1

3−

2

3 ⎛ ⎝

⎞ ⎠+153

1

9 ⎛ ⎝

⎞ ⎠− 43

270o

Fraction Frenzy $40 Question

ANSWERANSWER

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?

½

Fraction Frenzy $50 Question

ANSWERANSWER

What is the slope of a line that contains the points (-1, 5) and (3,7)?

4

Decimals Detective $10 Question

ANSWERANSWER

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?

454.7

Decimals Detective $20 Question

ANSWERANSWER

Solve: 56.13 x 8.1 to the nearest tenths.

Decimals Detective $30 Question

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?

.025ANSWERANSWER

15.7 inches3

Decimals Detective $40 Question

ANSWERANSWER

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.

152.5

Decimals Detective $50 Question

ANSWERANSWER

On a road trip, Tammy averaged 61 miles per hour. After 2.5 hours, how many miles had she driven?

-11/10

Fresh Baked Fractions $10 Question

ANSWERANSWER

Evaluate:

€

7 + −2 + 4 4 − 8( )[ ]10

16/49

Fresh Baked Fractions $20 Question

ANSWERANSWER

The ratio of sides of two squares is 4:7. What is the ratio of their areas?

2 ¼

Fresh Baked Fractions $30 Question

ANSWERANSWER

Solve:

€

161

5÷ 7

1

5

Fresh Baked Fractions $40 Question

Solve for y:

€

3x + 2 = 5y

€

y = 3x +2

5ANSWERANSWER

4/5

Fresh Baked Fractions $50 Question

ANSWERANSWER

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?