Week 9 Vocab

Week 9 Vocab

I can use exponents to show repeated multiplication.

Base & Exponent

• A base is a number or expression that is used as a factor in a repeated multiplication. (The big number)

• An exponent is a mathematical notation indicating the number of times a quantity is multiplied by itself. (The small number)

Poll

Which is the exponent? 5⁴

• 5

• 4

Poll

Which is the base? 8²

• 8

• 2

Poll

Which number is being multiplied by itself? 4³

• 4

• 3

Poll

Which number tells how many times the base is being multiplied by itself? 9⁴

• 9

• 4

Poll

Which is the correct exponential form for : 2 x 2 x 2 x 2

• 2⁴

• 4²

Poll

Which is the correct multiplication of: 3⁵

• 3 x 3 x 3 x 3 x 3

• 5 x 5 x 5

Power

• Power is another word for exponent, tells how many times the base is being multiplied by itself.

• 2⁵ is read as "two to the fifth power" or "two to the power of five"

• We say the base first, the exponent is the power.

Poll

How should we say: 3⁴

• Three to the fourth power

• Four to the third power

Poll

How would "five to the ninth power" be written?

• 9⁵

• 5⁹

Order of Operations

• The order in which operations in an expression to be evaluated are carried out.

• Parentheses

• Exponents

• Multiplication & Division

• Addition & Subtraction

• Abbreviated as PEMDAS

Poll

Which comes first in the order of operations?

• Subtraction

• Exponents

Poll

What does the P in PEMDAS stand for?

• Property

• Power

• Parentheses