Expressions Review

Front

What is a numeric expression?

Back

A numeric expression is a mathematical phrase that includes numbers and operation symbols but does not include an equal sign.

Front

How do you represent 'two times the sum of eight and seven' in numeric form?

Back

2 x (8 + 7)

Front

What is the numerical expression for 'one half the sum of ten and three'?

Back

(10 + 3) ÷ 2

Front

What does the expression '8 ÷ 2 x (5 + 5)' represent in words?

Back

The quotient of eight and two times the sum of five and five.

Front

What is the order of operations in mathematics?

Back

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

Front

What operation should be completed first in the expression [10x(6-2)÷5]?

Back

6-2 should be completed first.

Front

What is the result of the expression (10 + 33 - 3) ÷ 8?

Back

5

Front

How do you simplify the expression 8 ÷ 2 x (5 + 5)?

Back

First, calculate (5 + 5) = 10, then perform 8 ÷ 2 = 4, and finally 4 x 10 = 40.

Front

What is the significance of parentheses in mathematical expressions?

Back

Parentheses indicate which operations should be performed first in an expression.

Front

What does 'the sum of ten and three' mean in mathematical terms?

Back

It means to add ten and three together, represented as (10 + 3).