7th grade Math Review

Front

Simplify the following: -2 ⋅ (3 + 8 ÷ 4)²

Back

-50

Front

At noon, a submarine was 200 feet below sea level. At 6:00 p.m., the submarine was 3/4 as deep. What is the depth of the submarine at 6:00 p.m.?

Back

-150 feet

Front

Solve for x: 2x + 4 = 16

Back

x = 6

Front

At the beginning of the week, the temperature was 14 degrees Fahrenheit. It decreased by 25 degrees Fahrenheit. What was the temperature by the end of the week?

Back

-11 degrees F

Front

A football team lost 9 yards on each of three consecutive plays. What was the team’s total change in position?

Back

-27 yards

Front

What is the formula for calculating the area of a rectangle?

Back

Area = length × width

Front

What is the formula for calculating the perimeter of a rectangle?

Back

Perimeter = 2(length + width)

Front

What is the value of the expression 5 + 3 × 2?

Back

11 (Order of operations: multiplication before addition)

Front

What is the definition of a negative integer?

Back

A negative integer is any whole number less than zero.

Front

What is the definition of absolute value?

Back

Absolute value is the distance of a number from zero on the number line, regardless of direction.