2 1 What are Fractions Multiplying Fractions with

2. 1 What are Fractions? Multiplying Fractions with Manipulatives © Copyright all rights reserved to Homework depot: www. bcmath. ca

I) Basic Fractions Using Pattern Blocks Fractions are used to represent part of a “Whole” Some fractions can be represented using pattern blocks: The yellow blocks is equal to one unit. “One whole” piece The green triangle is equal to of a “whole” The red semi hexagons is equal to The blue parallelograms is equal to Pattern Block Applet © Copyright all rights reserved to Homework depot: www. bcmath. ca

Ex: Multiply the following fractions using Pattern Blocks The equation can be rewritten as the sum of 4 fractions Rearrange the pieces to make a unit of 1 The product is equal to 1 and 1/3 Pattern Block Applet © Copyright all rights reserved to Homework depot: www. bcmath. ca

Practice: Multiply using Pattern Blocks: Pattern Block Applet © Copyright all rights reserved to Homework depot: www. bcmath. ca

II) Representing Fractions using Manipulatives Not all fractions can be represented using pattern blocks Learn to represent fractions with the area model Ex: Represent the following fractions using an area model in atleast two different ways © Copyright all rights reserved to Homework depot: www. bcmath. ca

Practice: Represent the following fractions with an area model © Copyright all rights reserved to Homework depot: www. bcmath. ca

III) Rules for Multiplying a Fraction with an Integer Ex: Multiply the following This equation means that there are 24 boxes and 5 out of every 6 is coloured Begin by separating the boxes into 6 groups Then color 5 of the 6 groups Out of the 24 boxes, 20 of them are coloured © Copyright all rights reserved to Homework depot: www. bcmath. ca

Practice: Multiply using Manipulatives Out of 20 boxes, 2/5 are coloured Out of 32 boxes, 3/8 are coloured Separate into 5 groups Separate into 8 groups Color 2 groups Color 3 groups Out of 20 boxes, 8 are colored Out of 32 boxes, 12 are colored © Copyright all rights reserved to Homework depot: www. bcmath. ca

Homework: © Copyright all rights reserved to Homework depot: www. bcmath. ca