Math7.PreAlgebra Midterm review

Front

What is the formula for the perimeter of a rectangle?

Back

The perimeter (P) of a rectangle is given by the formula P = 2(length + width).

Tags

CCSS.4.MD.A.3

Front

If the length of a rectangle is represented by the expression 2x - 7 and the width is 4, what is the expression for the perimeter?

Back

The perimeter is P = 2((2x - 7) + 4) = 4x - 6.

Tags

CCSS.7.EE.A.1

Front

What is the formula to calculate the area of a rectangle?

Back

The area (A) of a rectangle is given by the formula A = length × width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If the length of a rectangle is 2x - 7 and the width is 4, what is the expression for the area?

Back

The area is A = (2x - 7) × 4 = 8x - 28.

Tags

CCSS.HSA.APR.A.1

Front

What does the absolute value of a number represent?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction.

Tags

CCSS.6.NS.C.7C

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Back

Tags

CCSS.6.NS.C.7C

Front

Back

Tags

CCSS.6.NS.C.7C

Front

Back

Tags

CCSS.7.NS.A.1D

Front

What is a term in an algebraic expression?

Back

A term is a single mathematical expression that can be a number, a variable, or a combination of both, separated by addition or subtraction.

Tags

CCSS.6.EE.A.2B

Front

In the expression 2x - 3y + 25, how many terms are there?

Back

There are 3 terms: 2x, -3y, and 25.

Tags

CCSS.6.EE.A.2B