Cumulative Test 7A

Front

What is the area of a rectangle with a length of 10 ft and a width of 12 ft?

Back

120 square feet.

Front

How do you compare two fractions, such as 3/4 and 4/3?

Back

Convert them to a common denominator or cross-multiply to determine which is larger.

Front

What is the formula to find the radius of a circle if the diameter is known?

Back

Radius = Diameter / 2.

Front

How do you solve for an unknown variable in an equation like w - 10 = 100?

Back

Add 10 to both sides of the equation to isolate w.

Front

What is the reciprocal of a fraction?

Back

The reciprocal of a fraction a/b is b/a.

Front

How many square tiles with sides 1 ft long are needed to cover a floor of 10 ft by 12 ft?

Back

120 square tiles.

Front

What is the process to find the least common denominator (LCD) of two fractions?

Back

List the multiples of the denominators and find the smallest common multiple.

Front

How do you convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place over the original denominator.

Front

What is the formula for the area of a rectangle?

Back

Area = Length x Width.

Front

How do you simplify the expression 3/2 + 1/4?

Back

Find a common denominator, which is 4, then convert and add: (6/4 + 1/4 = 7/4).