Operations with Fractions

Expressions

Geometry

Greatest Common Factor

Challenge

1/2 times 2 3/4

1 3/8

Simplify. 13(12w + 3) + 6

156w + 45

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)

Find the GCF of 12 and 30.

6

The area of a triangle is 25 cm^{2}. Its base has a length of 6 cm. Find the height.

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

8 1/3 divided by 2/3

12 1/2

298 + 521(13 + b)

521b + 7071

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

18x + 30y

Find the GCF of 5x and x.

x

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.

4 5/16 divided by 3 3/8

1 5/18

2.5(16g + 4 + 7.8m)

19.5m + 40g + 10

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

24.5 units

Find the GCF of 9y and 108.

9

A square has an area of 40 m^{2}. Find one of its side lengths.

square root of 40 m

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

4

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

3x

What is the area formula for a trapezoid?

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

Find the GCF of 2x^{2} and x^{2}.

x^{2}

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

Thank you!

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

12 1/2

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)

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

Find the GCF of 2x^{3} and 4x^{2}.

2x^{2}

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?

6

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