6th Grade Topic 3: Numeric and Algebraic Expressions Study Guide

Front

What is the Least Common Multiple (LCM)?

Back

The LCM of two or more numbers is the smallest number that is a multiple of each of the numbers.

Front

Find the LCM of 3 and 4.

Back

12

Front

What does 4^2 mean?

Back

4^2 means 4 multiplied by itself, which equals 16.

Front

What is the value of 4^2?

Back

16

Front

What does 'a number cubed' mean?

Back

It means the number is multiplied by itself three times.

Front

Which expression represents 'a number cubed'?

Back

x^3

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). (PEMDAS)

Front

Evaluate 4 + 3 × 2.

Back

10

Front

What does 'decreased by' mean in an expression?

Back

It means to subtract from a number.

Front

How would you express '15 decreased by 4 times a number'?

Back

15 - 4n