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### Grade 3 - Mathematics11.15 Fractions and Decimals Word Problems

 Read the questions carefully. Compute the results as per the question. Example: A class has 40 students out of which 23 are boys. What fraction of the class is boys? Total number of students = 40 Number of boys = 23 Fraction of boys = 23/40 Answer: 23/40 Example: Ann spends \$45.60 on books, \$ 12.36 on dolls and \$35.78 on miscellaneous. How much did he spend in total? The total amount spent = \$45.60 + \$12.36 + \$35.78 Answer: \$93.74 Example: Sam has 3 1/2 pencils and Ron has 10/4 pencils. Who has more pencils? The answer to this seems simple since Ron has 10/4 pencils which is equivalent to 2 2/4 pencils. Clearly since Sam has 3 full pencils and more and Ron has less than 3 full pencils, so Sam has more pencils. Answer: Sam has more pencils Example: Spencer painted 2/3 of the wall space in his room. His sister Madison helped and painted 1/3 of the wall space. How much did they paint together? 2/3 + 1/3 = 3/3 = 1 Answer: whole wall space Example: The teacher taught 3/5th of the book, Mike revised 1/5th more on his own. How much does he still have to revise? 3/5 + 1/5 = 4/5 1 - 4/5 = 1/5 Answer: 1/5 Directions: Solve the following word problems. Also write at least 5 examples of your own.
 Q 1: A flock of birds flies over head. 33 of them are red-striped, 43 are blue-striped and 19 are yellow-striped. What fraction of birds is blue-striped?43/5243/3333/4343/95 Q 2: If Jon has 2/5 of a pizza and Sue has 3/5 of a pizza, who has more?They have the same amount.SueJon Q 3: Emily and Christian went to the ice cream shop. Emily finished 2/3 of her ice cream and Christian finished 1/2. Who finished more?ChristianEmilyNot Here Q 4: Kim has \$20.00.She wants to buy a purse for \$13.49 and a bracelet for \$8.98. Does she have enough money? (hint: estimate: \$8.98 is about \$9.00 and \$13.49 is about \$13.00. So \$9 + \$13 = \$22)enough moneynot enough moneyjust enough money Q 5: Sammy has 48 marbles. 12 are green, 16 red, and 10 are blue. What fraction of his marbles are red?48/1632/4816/4816/12 Q 6: Our class has a one hour Math Class. If we split math into 1/2 and do 1/2 later, how much time do we spend the 1st 1/2 of math class?30 min.Not Here20 min.40 min. Q 7: If there is a book store that is 50% off everything in the store, how would you write a fraction that it is 50% off?1 1/21/22/31/4 Q 8: A bird swoops to catch its prey at 20 m/s. It swoops for two and a half seconds. How far does it swoop?15 m30 m120 m50 m Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!