Learning Objective:
Materials Math Activity Book pencil colored pencils (optional)
We will be able to add decimals.
Follow-Up Work Practice and Skill Builders Reflex Math
Class Norms
Come to class on time.
Turning on your camera is encouraged!
Use your microphone and chat box to ask or answer questions.
Raise your hand and stay on mute until the teacher calls on you.
Ask questions if you don't understand something.
Try your best.
Be responsible. Be respectful. Be awesome!
Remember: Please follow along with the lesson, and complete the work in the Classkick. If you do not complete the Classkick, you may complete the Edio lesson. You DO NOT need to complete the Classkick AND the Edio lesson.
Adding Decimals
Find the value of 621.45 + 72.3. Explain or show your reasoning. Check your work. Does your answer make sense?
Why should I look for mistakes in math?
Making mistakes when doing math can have catastrophic results!
Why should I look for mistakes in math?
Making mistakes when doing math can have catastrophic results!
Miscalculating how to double your spices in chili can ruin dinner.
Making mistakes keeping track of money you have saved could cost you MORE MONEY!!
Compare Calculations
Elena and Andre found the value of 621.45 + 72.3. Who do you agree with? Circle the problem.
Analyze Mistakes
What did Elena do wrong when she solved this problem?
Same Digits, Different Sums
Find the value of each expression. Show your work. 46.3 + 31.42 463 + 3.14
Analyze Addition Mistakes
Today we analyzed errors in strategies for adding decimals.Describe what is the most important thing to remember when we add decimal numbers.
The most important thing to remember when adding decimals is
Math Activity Book page 77
This is page 77 from your Math Activity Book. You may choose how you would like to complete it: 1. You may complete the page in your Math Activity Book, then show it to Miss Weise when you are finished OR 2. You may complete the activity here in the Classkick.
page 77
It's Almost the End of Class???
Yes, it is! Here is what is next:
1. Complete the exit ticket. 2. Make sure you completed the Classkick. 3. Raise your hand to let me know you completed the exit ticket. 4. WAIT until I call on you and say you can go. 5. Complete the Practice and Skill Builders. You can stay and work on it, or you can work on it on your own. 6. Complete Reflex Math until you receive the green light. 6. Turn in the entire lesson.
Reflex math: Today's "On Your Own" section requires you to log in to Reflex math. Please be sure to stay until the end of class for help if you are logging in to Reflex for the first time.
Exit Ticket
The calculation below has an error.
- Explain the error. (WHY is it wrong?)
- Find the correct value of 38.7 + 9.46 by showing your work.
Correct answer:
The error is
Grade 5-Unit 5-Lesson 13
Kimberly Weise
Created on February 19, 2024
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Transcript
Learning Objective:
Materials Math Activity Book pencil colored pencils (optional)
We will be able to add decimals.
Follow-Up Work Practice and Skill Builders Reflex Math
Class Norms
Come to class on time.
Turning on your camera is encouraged!
Use your microphone and chat box to ask or answer questions.
Raise your hand and stay on mute until the teacher calls on you.
Ask questions if you don't understand something.
Try your best.
Be responsible. Be respectful. Be awesome!
Remember: Please follow along with the lesson, and complete the work in the Classkick. If you do not complete the Classkick, you may complete the Edio lesson. You DO NOT need to complete the Classkick AND the Edio lesson.
Adding Decimals
Find the value of 621.45 + 72.3. Explain or show your reasoning. Check your work. Does your answer make sense?
Why should I look for mistakes in math?
Making mistakes when doing math can have catastrophic results!
Why should I look for mistakes in math?
Making mistakes when doing math can have catastrophic results!
Miscalculating how to double your spices in chili can ruin dinner.
Making mistakes keeping track of money you have saved could cost you MORE MONEY!!
Compare Calculations
Elena and Andre found the value of 621.45 + 72.3. Who do you agree with? Circle the problem.
Analyze Mistakes
What did Elena do wrong when she solved this problem?
Same Digits, Different Sums
Find the value of each expression. Show your work. 46.3 + 31.42 463 + 3.14
Analyze Addition Mistakes
Today we analyzed errors in strategies for adding decimals.Describe what is the most important thing to remember when we add decimal numbers.
The most important thing to remember when adding decimals is
Math Activity Book page 77
This is page 77 from your Math Activity Book. You may choose how you would like to complete it: 1. You may complete the page in your Math Activity Book, then show it to Miss Weise when you are finished OR 2. You may complete the activity here in the Classkick.
page 77
It's Almost the End of Class???
Yes, it is! Here is what is next:
1. Complete the exit ticket. 2. Make sure you completed the Classkick. 3. Raise your hand to let me know you completed the exit ticket. 4. WAIT until I call on you and say you can go. 5. Complete the Practice and Skill Builders. You can stay and work on it, or you can work on it on your own. 6. Complete Reflex Math until you receive the green light. 6. Turn in the entire lesson.
Reflex math: Today's "On Your Own" section requires you to log in to Reflex math. Please be sure to stay until the end of class for help if you are logging in to Reflex for the first time.
Exit Ticket
The calculation below has an error.
Correct answer:
The error is