Ch. 2 Finals Review Pt. 2

Front

What are the steps to solve the expression 50 − 16 ÷ 2?

Back

1. Divide: 16 ÷ 2 = 8 2. Subtract: 50 - 8 = 42

Front

Identify the error in the calculation: 5 - 3 + 2 = 5 - 5 = 0.

Back

The error is that addition was done first; subtraction should have been done first.

Front

What does the (E) in PEMDAS stand for?

Back

E stands for Exponents.

Front

What step would I do second in the expression (4-2) x 9 + 7?

Back

The second step is multiplication.

Front

Who is correct: Sallie (16 ÷ 2 × 8 = 64) or Brian (16 ÷ 2 × 8 = 1)?

Back

Sallie is correct.

Front

What does PEMDAS stand for?

Back

PEMDAS stands for Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

Back

The result is 10. (First, multiply 3 × 2 = 6, then add 4 + 6 = 10.)

Front

Back

The first step is to solve the expression inside the parentheses: 6 + 2 = 8.

Front

Back

The value is 25.

Front

What is the order of operations?

Back

The order of operations is: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).