## Tools I can Use to Build Math Models.docx - Section 3: Closing

Tools I can Use to Build Math Models.docx
Tools I can Use to Build Math Models.docx

# Using Models to Add and Subtract

Unit 17: Getting Better at Addition and Subtraction
Lesson 4 of 12

## Big Idea: Common Core standards encourage the use of models to build understanding in math. This lesson shows sometimes reluctant 2nd graders that models are helpful tools in solving mathematical problems.

Print Lesson
6 teachers like this lesson
Standards:
Subject(s):
Math, modeling, Number Sense and Operations, addition, manipulatives, Operations
40 minutes

### Beth McKenna

##### Similar Lessons

###### 10, 20, 100 Day 2
1st Grade Math » Complements of 10 and 20
Big Idea: Students will use dice to roll a number and then find the complement to make 10, 20 or 100.
Favorites(1)
Resources(15)
Waitsfield, VT
Environment: Suburban

###### I've Got More Than You
Big Idea: Students often think that subtraction is simply “take away.” The goal of this lesson is to allow students to see the comparison (difference) between two numbers.
Favorites(36)
Resources(17)
Pepperell, MA
Environment: Rural