Present Remotely

Send the link below via email or IM

• Invited audience members will follow you as you navigate and present
• People invited to a presentation do not need a Prezi account
• This link expires 10 minutes after you close the presentation

Do you really want to delete this prezi?

Neither you, nor the coeditors you shared it with will be able to recover it again.

Day 5 - Common Core 4th Grade Mathematics - Domain 3 - Add and Subtract Fractions and Decimals

How to add and subtract fractions (and decimals)
by

Heather Scott

on 6 May 2015

Report abuse

Transcript of Day 5 - Common Core 4th Grade Mathematics - Domain 3 - Add and Subtract Fractions and Decimals

FRACTIONS AND DECIMALS

On the FIFTH day of math review my teacher taught to me...
HOW TO ADD AND SUBTRACT FRACTIONS
4 - Fractions and Decimals

2 - Place Value and Whole Numbers

1- And what the operations mean.
HOMEWORK
SUBTRACTING FRACTIONS WITH LIKE DENOMINATORS
Think of adding pieces of pizza or cake...
Now think of eating those pieces of pizza or cake... is it lunch time yet?
UNIT FRACTIONS
Hmm... what's that mean?
A unit fraction is a fraction with 1 as the numerator.
Are these unit fractions?
3/1
1/7
2/6
10/100
1/999
IMPROPER FRACTIONS
BUT WHAT DO WE DO WHEN THE DENOMINATORS ARE DIFFERENT?!
1. Find a common
denominator
For example:
What is a multiple 3 and 4 have in common?
2. Find equivalent
fractions.
fractions.
4. Let's try it!
MIXED NUMBERS
When the numerator is BIGGER than the denominator.
PRACTICE
Which of these is improper?
2/3
11/5
8/8
12/6
When we have a whole number AND a fraction.
Which of these is mixed?
Write an example
of an improper fraction
Write an example
of a mixed number.