Unit 02B: Exponents and Scientific Notation

Unit 03: Exponents and Scientific Notation

Key Vocabulary

This includes vocabulary that is new to this unit as well as vocabulary that was introduced in prior units.

• Exponent (Power) - the number that tells you how many times to multiply the base.

• Base - the number that gets multiplied when using an exponent.

• Exponential Form - a number represented by using an exponent.

• Squaring - multiplying a whole number by itself creates a perfect square.

• Cube Numbers - multiplying the same whole number three time creates a cube.

• Perfect Squares - a number made by squaring a whole number.

• Square Root - a number that, multiplied by itself, creates a perfect square.

• Radical - the symbol for used to ask you to take the square root, cubed root, or so on.

• Scientific Notation - a short way of writing a long number. The number is written in two parts. The first part contains a number in the ones place, followed by a decimal point, and possibly more numbers on the right of the decimal point. The second part contains the base of 10 with an exponent.

• Expression - numbers, variables, and operators grouped together to show the value of something. Expressions can be numerical or algebraic.

• Variable - letters that are used to represent an unknown or changing quantity.

• Constant - a fixed value.

• Term - numbers and variables separated by the addition symbol, subtraction symbol, or equal sign.

Study Guides

6th Grade Study Guide

7th Grade Study Guides - The following standard will not be tested until June.