Smartboard image - Section 2: Whole Group Interaction

 
  Smartboard image
Loading resource...
 

Is it addition or subtraction?

Unit 3: Addition Strategies
Lesson 9 of 9

Objective: SWBAT apply properties of operations as strategies to add and subtract.

Big Idea: Addition and subtraction facts are related, and my First Graders need more practice in using properties of operations to make decisions about equations. This lesson has them decide which operation is being completed to make the equation true.

  Print Lesson
13 teachers like this lesson
Standards:
Subject(s):
Math, addition, subtraction
  35 minutes
lesson
 
1
2
3
4
Similar Lessons
 
Counting on to add
1st Grade Math » Single Digit Addition and Subtraction
Big Idea: Movin’ on up! Counting on is a strategy that can help foster mental math skills.
  Favorites(10)
  Resources(12)
Lakeland, FL
Environment: Urban
Lisa Murdock
 
Act it out!
1st Grade Math » Creating a Culture of Math
Big Idea: Students solve problems and begin to explore the "counting on" strategy!
  Favorites(4)
  Resources(15)
New Orleans, LA
Environment: Urban
Amanda Cole
 
Building Towers
1st Grade Math » Counting & Comparing
Big Idea: Get out your toolboxes and heavy machinery because today your are going to be Building Towers! Using vocabulary words like least,greatest, and "in order," the students will build cube towers of designated heights and then be asked to put them in order
  Favorites(13)
  Resources(15)
Waitsfield, VT
Environment: Suburban
Thomas Young
 
 
Something went wrong. See details for more info
Nothing to upload
details
close