Lesson 3 Add, Subtract, Multiply, Divide Decimals

Fluently add, subtract, multiply, and divide multi-digit decimals using the standard algorithm

Objective:

I can fluently add, subtract, multiply and divide multi-digit decimals

Khan Instruction/Tutorial: (watch these to get started)

Adding Decimals:

Subtracting Decimals:

Multiplying Decimals:

Dividing Decimals:

Once you’ve watched these videos, practice what you’ve learned using the links below. If you need to, rematch each video to remember the process for each skill.

Interactive Activities/Practice: (Click the links to practice)

Math With Santa Decimal Game (math-play.com) 

Decimal Cruncher Addition (coolmath.com)

Hoop Shoot Subtraction (math-play.com)

Decimal Cruncher Multiplication (coolmath.com)

Decimals Division (xpmath.com)

Do you have questions? Can I help? Submit a question to www.ask.fm/misterelders

When you understand adding, subtracting, multiplying and dividing decimals, use the links below to demonstrate your understanding. I would suggest practicing and mastering one skill at a time! Be sure to log in with the account you set up at our first meeting so I can follow your progress!

Formative Assessments: (Click the links below)

Quick Check on Adding Decimals

Subtracting Decimals

Multiplying Decimals

Dividing Decimals

When you get a star on these assessments you’re ready to practice this skill in our face to face meeting and also ready to move on to lesson 4.

Return to the summer math home page.

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