Operations with Fractions
Expressions
Geometry
Greatest Common Factor
Challenge

100

1/2 times 2 3/4

1 3/8

100

Simplify.  13(12w + 3) + 6

156w + 45

100

Write an expression for the area of a rectangle with a length of 12 units and a width of 5 + x units. 

12(5 + x)

100

Find the GCF of 12 and 30. 

6

100

The area of a triangle is 25 cm2. Its base has a length of 6 cm. Find the height. 

25/3 cm or 8 1/3 cm or 8.333 cm

200

8 1/3 divided by 2/3

12 1/2

200

298 + 521(13 + b) 

521b + 7071

200

Write an expression for the perimeter of an equilateral triangle. One of its side lengths measures 6x + 10y. 

18x + 30y

200

Find the GCF of 5x and x. 

x

200

If a trapezoid has an area of 120 square feet, find the measurement of base 1 if its height is 10 feet and base 2 is 20 ft. 

4 ft. 

300

4 5/16 divided by 3 3/8

1 5/18

300

2.5(16g + 4 + 7.8m) 

19.5m + 40g + 10

300

A square has a perimeter of 98 square units. Find one of its side lengths. 

24.5 units

300

Find the GCF of 9y and 108. 

9

300

A square has an area of 40 m2. Find one of its side lengths. 

square root of 40 m

400

4 2/3 minus 1 1/3 divided by 2

4

400

Write an expression for the area of a triangle with a base of 6 inches and a height of x inches. 

3x

400

What is the area formula for a trapezoid? 

A = 1/2(h)(base 1 + base 2)

400

Find the GCF of 2x2 and x2

x2

400

Today is your lucky day. You get free points! What do you say to Su Yee? 

Thank you! 

500

1 9/11 times 4 7/12 divided by 2/3

12 1/2

500

A cheetah can run 103 feet per second. A zebra can run x feet per second. Write and simplify an expression for how much farther the cheetah can run in 10 seconds.

10(103 - x) 

500

The perimeter of a rectangle is 50 square units. The rectangle has a length of 12 units and a width of 5 + x units. Find the value of x. 

8

500

Find the GCF of 2x3 and 4x2

2x2

500

Five people go to a meeting. 2 people are from 1 company and 3 are from another. How many hands will they shake if they only shake hands with the people from the other company?