## warm up canceling subtraction modeling.docx - Section 3: Warm up

warm up canceling subtraction modeling.docx

# Magic Witch Hats

Unit 4: Operations with Integers
Lesson 17 of 24

## Big Idea: Students will understand that subtracting is like "canceling out".

Print Lesson
2 teachers like this lesson
Standards:
Subject(s):
Math, Number Sense and Operations, Operations and Expressions, subtracting integers, Additive inverse, halloween, student ownership
54 minutes

### Erica Burnison

##### Similar Lessons

###### How Addition and Subtraction are Related (Part 2 of 3)
7th Grade Math » Rational Number Operations
Big Idea: Students will use counters to prove that a difference can be written as a sum.
Favorites(5)
Resources(14)
New Orleans, LA
Environment: Urban

###### Subtracting Integers - How does subtraction relate to addition?
7th Grade Math » Operations with Rational Numbers
Big Idea: Subtraction does not have to be any harder than addition – students will turn all subtraction problems into addition problems and use the rules they have already mastered!
Favorites(39)
Resources(16)
Elon, NC
Environment: Suburban

###### Relative Error Spiral Lesson
8th Grade Math » Statistical Spirals
Big Idea: We all make mistakes, but it is important to quantify the level of the mistake relative to the situation you are working with. This is the fundamental idea of relative error.
Favorites(0)
Resources(18)
New York, NY
Environment: Urban