Solving Fraction Word Problems Using Multiplication Division MS
Solving Fraction Word Problems Using Multiplication & Division MS. KUNDROT 6 TH GRADE MATH
What you will learn… �How to solve real-world problems involving multiplication & division of fractions. �How to analyze problems �Distinguish when to multiply vs. divide �How to apply skills to REAL LIFE!!
How do we solve? �Sam’s Doughnut Shop sold 1/3 as many chocolate doughnuts as cinnamon doughnuts. If they sold 1/5 of a tray of cinnamon doughnuts, how many trays of chocolate doughnuts did they sell? We Use Multiplication!
Do NOT be intimidated by fractions. . Solve the word problem by breaking it down. Box the Question. Underline the Info Needed Circle Vocabulary Knock out UN-needed Info
Sam’s Doughnut Shop sold 1/3 as many chocolate doughnuts as cinnamon doughnuts. If they sold 1/5 of a tray of cinnamon doughnuts, how many trays of chocolate doughnuts did they sell? Now set up the Equation and Solve. 1 5 1 3 1 15 They sold 1/15 of a tray of chocolate doughnuts!
How do we solve? A recipe calls for 1/3 cup of sugar per serving. How many cups of sugar are needed to make 10 servings? 1 3 3 10 1 1 3 10 3 Convert to a Mixed Number Cups of Sugar are Needed
Your Turn! �At Wacky’s Arcade, 1/2 of the games are racing games. Among the racing games, 2/5 are motorcycleracing games. What fraction of the games at Wacky's Arcade are motorcycle-racing games? A. 1/4 B. 3/7 C. 1/5 D. 2/9 Great Job!!!
Additional Instruction �Still having trouble? Let’s check out this Kahn Academy video…
Activity �Move into Your Groups of Four. �Let’s Play Jeopardy!
Word Problems Maxine made 5/8 of a quart of hot chocolate. Each mug holds 1/8 of a quart. How many mugs will she be able to fill? SET UP EQUATION & 5 8 1 8 8 1 Keep Flip Change 40 8 DIVIDE! Reduce… 5 Mugs!
EXAMPLE TAKE NOTES as you watch this VIDEO! Click Here
ACTIVITY-Think Pair Share �A factory uses 3/10 of a barrel of raisins in each batch of cookies. Yesterday, the factory used 3/5 of a barrel of raisins. How many batches of cookies did the factory make yesterday?
Write Equation: 3 5 1 1 3 5 3 10 2 10 31 Keep Flip Change Reduce to Solve 2 Batches of Cookies!
Sources � Kahn Academy. (Aug 7, 2010). Multiplying Fractions Word Problem, U 02_L 2_T 1_we 4. Retrieved from http: //www. khanacademy. org/video? v=YJg. IGw. Tysk 0 � Kahn Academy. (Aug 7, 2010). Dividing Fractions Word Problem U 02_L 2_T 3_we 5. Retrieved from http: //www. khanacademy. org/video? v=PQsg. XNgg. V 7 Q
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