Jeopardy Math Bowl Round 1

Number Sense

100

Round 963 to the nearest ten.

960

200

Find the product.

4,724 x 8

37,792

300

Multiply Decimals

1.27 x 1.8

2.286

400

Divide Rational Numbers

-3 /5  ÷   2/3

         

-9/10

500

Write in standard notation.

10⁵

100,000

Expressions and Equations

100

Find the unknown number in the following equation. 

804 - 276 = ______

528

200

Find the unknown number. 

345 - ____=183

162

300

Solve.

8 + (-12)

-4

400

Solve for x.

5x + 8 = 23

x=3

500

Solve for x.

5x = 2x + 12

x = 4

Fractions

100

If there is 3/10 of a pie left on a plate, what fraction of the pie is missing?

7/10 of the pie is missing

200

Convert the improper fraction 

43 / 8

to a mixed number.

5 3/8

300

Find the equivalent fraction for 4/5.

Accept reasonable answers.

8/10, 12/15, 16/20...40/50

400

Show 20.8 as a fraction in simplest form.

20 4/5

500

Write 5/8 as a decimal. Round to the nearest HUNDREDTH

.63

(sixty-three hundredths)

Measurement and Data

100

Dina started swimming at 3:26 P.M. She swam until 4:12 P.M.

How long did Dina swim?

46 minutes

200

The time is 11:45 a.m. What time will it be in 47 minutes?

12:32 p.m.

300

Convert 3 gallons to cups.

3 gallons = _______ cups

48 cups

400

Convert 9 feet into inches.

108 inches

500

There are 26.2. miles in a marathon. What is the number of miles using mixed numbers in simplest form?

26 and 1/5

Geometry

100

Can a pair of lines be parallel and perpendicular?

No. Parallel lines never intersect. Perpendicular lines intersect and create a 90 degree angle. 

200

Classifying Triangles: Equilateral, Isosceles, or Scalene

A triangle that has NO congruent sides. 

Scalene

300

It takes six cubes to build a staircase with three steps. How many cubes will you need for eleven steps?

22 cubes

400

Find the circumference of a circle with a radius of 5 meters. Use 3.14 for pi (π).

31.4 meters.

500

Pythagorean Theorem-Two sides of a triangle are given.  

a= 3

b= 4

Solve for c.

c= 5