Exponents tell us how many times a number (called a base) is multiplied by itself. A base with an exponent is “raised to a power (the exponent).” We can show repeated multiplication in a shorter form by using exponents. Any base raised to the first power equals itself. Any base raised to the zero power is one. Any base raised to a negative exponent has a value less than one, and your answer will be a fraction or decimal. When in doubt about how to apply an exponent, write the expression out in expanded form and simplify.

### Tuesday, October 10

Plans carried over from last week.

Common Core Standards and Extended Standards

8.EE.3 Use numbers expressed in the form of a single digit times an integer power of 10 to estimate very large and very small quantities, and to express how many times as much one is than the other.

Student Objectives

I can apply exponent properties.

I can simplify expressions containing exponents.

Bellwork

Students will complete *Math Minute 21*.

Lesson (Power of a Power & Power of a Quotient/Exponent Rules Review)

1. Generate interest: mythical creatures sample question

2. Journal entry and direct instruction: power of a power, power of a quotient rules & examples

3. Video: BrainPop video

4. Exponent rules bingo: guided practice with a partner, dry erase board and marker, & journal notes on rules

5. Exponent Rules Task Cards with QR codes or footloose game-competitive teamwork with exponent rules

6. Partner practice: exponent properties review worksheet

7. Independent practice and blended learning: IXL module 2 to-do list

Closing

Exit ticket: exponent rules examples

Homework

Complete the exponent properties review worksheet. Work on your IXL module 2 to-do list. Tomorrow, there will be a quiz over exponent properties.

### Wednesday, October 11

Common Core Standards and Extended Standards

8.EE.3 Use numbers expressed in the form of a single digit times an integer power of 10 to estimate very large and very small quantities, and to express how many times as much one is than the other.

Student Objectives

I can apply exponent properties.

I can simplify expressions containing exponents.

Bellwork

Students will complete *Math Minute 22*.

Lesson (Exponent Properties Quiz)

1. Go over homework.

2. Review exponent properties.

3. Take exponent properties quiz.

4. Independent practice and blended learning with Chromebooks: IXL module 2 to-do list, exponents links on teacher webpage

Closing

scientific notation pretest

Homework

Work on module 2 to-do list.

### Thursday, October 12

Common Core Standards and Extended Standards

8.EE.3 Use numbers expressed in the form of a single digit times an integer power of 10 to estimate very large and very small quantities, and to express how many times as much one is than the other.

Student Objectives

I can recognize numbers written in scientific notation.

I can express numbers in scientific notation, standard form, and calculator notation.

Bellwork

Students will complete a scientific notation pretest.

Lesson (Writing Numbers in Scientific Notation, Standard Form, and Calculator Notation)

1. Generate interest: text message prompt

2. Journal entry and direct instruction: definition and examples of numbers written in scientific notation with calculator tips, 3 forms: standard, scientific notation, and calculator (“E”) notation

3. Cooperative practice with a partner: footloose competition with scientific notation applications task cards #1-16

4. Cooperative or independent practice (student choice): scientific notation conversions worksheet, both sides, finish for homework

Closing

Homework

Finish both sides of the scientific notation conversions worksheet. Next Wednesday, there will be a test over exponent properties and scientific notation. The IXL module 2 to-do list will also be due next Wednesday.

Links

Check out my exponents links page. Just type “exponents” in the search box on any page.

### Friday, October 13

8.EE.3 Use numbers expressed in the form of a single digit times an integer power of 10 to estimate very large and very small quantities, and to express how many times as much one is than the other.

Student Objectives

Bellwork

Students will complete *Math Minute 23*.

Lesson (Operations with Scientific Notation)

1. Go over homework.

2.

3.

Closing

Journal entry/exit ticket:

Homework

Complete the exponents unit review worksheet. On Wednesday, you will have a test over exponent properties and scientific notation.