## Piet Mondrian No. 2 - Section 3: See, Think, Wondering

Piet Mondrian No. 2

# Recalling Prior Knowledge of Adding and Subtracting Fractions

Unit 2: Adding and Subtracting Fractions with Unlike Denominators
Lesson 1 of 7

## Big Idea: The denominator represents the WHOLE and the numerator represents the BITS/PIECES so in order to add fractions we need to have the same denominator.

Print Lesson
19 teachers like this lesson
Standards:
Subject(s):
Math, Number Sense and Operations, Operations , equivalent, Fractions, equivalent fractions, Fraction, Operations
85 minutes

### James Ewing

##### Similar Lessons

###### Pretest
6th Grade Math » Fraction Operations
Big Idea: What do students already know about fractions? What gaps do students have in their understanding? Students take the fractions pretest in order to inform instruction.
Favorites(28)
Resources(9)
Somerville, MA
Environment: Urban

###### Adding and Subtracting with Fractions
6th Grade Math » Number Sense
Big Idea: Using common denominators with fractions will help the students learn to divide fractions.
Favorites(10)
Resources(24)
Plainfield, IL
Environment: Suburban

###### Why Fractions
5th Grade Math » Adding and Subtracting Fractions
Big Idea: I guess she’s not crazy after all!
Favorites(8)
Resources(8)
Grand Rapids, MI
Environment: Urban