Math Quarterly 2 review: 1-5

Front

What does GEMDAS stand for?

Back

GEMDAS stands for: G - Grouping symbols (parentheses), E - Exponents, M - Multiplication, D - Division, A - Addition, S - Subtraction. It is the order of operations used to solve mathematical expressions.

Front

What is the first step in solving the expression 15 - 9?

Back

The first step is to perform the subtraction: 15 - 9 = 6.

Front

What is the result of 20 divided by 2?

Back

20 divided by 2 equals 10.

Front

What is the result of 3 x 15?

Back

3 x 15 equals 45.

Front

What is the result of 250 + 2,250?

Back

250 + 2,250 equals 2,500.

Front

How do you solve the expression (10 + 2) + 5 x 2 - 10?

Back

First, solve inside the parentheses: (10 + 2) = 12. Then, multiply: 5 x 2 = 10. Now, the expression is 12 + 10 - 10 = 12.

Front

What is the result of 3.8 x 3.2?

Back

3.8 x 3.2 equals 12.16.

Front

What is the order of operations in mathematics?

Back

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

Front

What is an example of a grouping symbol?

Back

An example of a grouping symbol is parentheses ( ). For example, in the expression (3 + 2) x 4, the parentheses indicate that you should add 3 and 2 first.

Front

What is the result of 5 + 3 x 2?

Back

According to GEMDAS, you multiply first: 3 x 2 = 6, then add: 5 + 6 = 11.