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5 Minute Check

Flashcards

Essential Question

Thursday, Oct 15 Lesson E.4.b Add and Subtract Unlike Fractions

Objective: To add and subtract fractions with unlike denominators.

Add and Subtract Unlike Fractions Before you can add or subtract unlike fractions, rename one or both of the fractions so they have the same denominator.

Add and Subtract Unlike Fractions Before you can add or subtract unlike fractions, rename one or both of the fractions so they have the same denominator. This same denominator is called the common denominator.

Add and Subtract Unlike Fractions

4: 4, 8, 12, 16, 20, 24, 28, 32…… 10: 10, 20, 30, 40……….

Add and Subtract Unlike Fractions 4: 4, 8, 12, 16, 20, 24, 28, 32…… 10: 10, 20, 30, 40……….

Add and Subtract Unlike Fractions 4: 4, 8, 12, 16, 20, 24, 28, 32…… 10: 10, 20, 30, 40……….

Add and Subtract Unlike Fractions 4: 4, 8, 12, 16, 20, 24, 28, 32…… 10: 10, 20, 30, 40……….

Add and Subtract Unlike Fractions 4: 4, 8, 12, 16, 20, 24, 28, 32…… 10: 10, 20, 30, 40……….

Add and Subtract Unlike Fractions 4: 4, 8, 12, 16, 20, 24, 28, 32…… 10: 10, 20, 30, 40……….

Add and Subtract Unlike Fractions Already in simplest form. 4: 4, 8, 12, 16, 20, 24, 28, 32…… 10: 10, 20, 30, 40……….

Add and Subtract Unlike Fractions

X 2

Add and Subtract Unlike Fractions X 2

Add and Subtract Unlike Fractions X 2

Add and Subtract Unlike Fractions X 2

Add and Subtract Unlike Fractions X 2 X 10

Add and Subtract Unlike Fractions X 2 X 10

Add and Subtract Unlike Fractions X 2 X 10

Add and Subtract Unlike Fractions + =

Write this down. On today’s assignment, if you use method 1 this is how the work is to be shown. Hint – Before you make a multiples list check and see if both denominators are prime. If they are prime, then the LCD is the product of those denominators.

Add and Subtract Unlike Fractions Write this down. On today’s assignment, if you use method 2 this is how the work is to be shown. Hint – Before you make a multiples list check and see if both denominators are prime. If they are prime, then the LCD is the product of those denominators. X 3 X 2

Add and Subtract Unlike Fractions

On today’s assignment, if you use method 2 this is how the work is to be shown. X 9 X 6

Add and Subtract Unlike Fractions

On today’s assignment, this is how the work is to be shown. 3: 3, 6, 9, 12, 15, 18…… 4: 4, 8, 12, 16, 20……….

Add and Subtract Unlike Fractions

On today’s assignment, this is how the work is to be shown. Smaller denominator goes into the larger denominator.

Add and Subtract Unlike Fractions

6: 6, 12, 18, 24, 30…… 4: 4, 8, 12, 16, 20, 24, 28……….

Add and Subtract Unlike Fractions

Write this down. On today’s assignment, this is how the work is to be shown )

Add and Subtract Unlike Fractions Agenda Notes Homework – Homework Practice E.4.b Due by the end of class. Circle all answers and show all work Mid-Chapter 4 Quiz Friday, Oct 30