Operations with Fractions
Expressions
Geometry
Greatest Common Factor
Challenge

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?