2. Word Problems Lesson Plan

3. 1.What is a word problem?What is a word problem? 2.Key Words – Addition and SubtractionKey Words – Addition and Subtraction 3.Key Words – Multiplication and DivisionKey Words – Multiplication and Division 4.ExamplesExamples 5.Trap ProblemsTrap Problems 6.Who wants to be a Millionaire?Who wants to be a Millionaire?

4. So what exactly is a word problem? A word problem is a mathematic exercise expressed as a hypothetical situation that is explained in words.

5. One thing that you’ll want to look for are key words. Key words will help you figure out which operations to perform on the word problem. Don’t Worry, word problems aren’t as hard as you may think.

6. Subtract REMOVE TAKE AWAY DIFFERENCE BETWEEN _____ AND _____ _____ MINUS _____ _____ DECREASED BY _____ LOSS LESS FEWER TAKE AWAY Add ADDITIONAL SUM OF_____ AND _____ TOTAL OF _____ AND _____ _____ PLUS _____ _____ INCREASED BY _____ GAIN RAISE MORE INCREASE OF

7. Multiplication MULTIPLY _____ BY _____ PRODUCT OF _____ AND _____ _____ TIMES _____ DOUBLE _____ TWICE _____ TRIPLE _____ PERCENT OF _____ FRACTION OF _____ Division QUOTIENT OF _____ AND _____ DIVIDE _____ BY _____ _____ DIVIDED BY _____ DIVIDED EQUALLY PER

8. Now let’s take a look at a few word problems! Are you ready to give it a try?

9. A starfish has 5 arms. How many arms do 5 starfish have? Need Help?

10. Nichole has 3 fish in her fish tank. She goes to the store and buys 2 more fish to add to the fish tank. How many fish are in the tank total?

11. What about this word problem. Make sure you read it carefully… There are 3 clownfish and 1 seahorse swimming around. How old is the seahorse? If you thought this was unsolvable, well…. You are correct!

12. Read the problem once more: There are 3 clownfish and 1 seahorse swimming around. How old is the seahorse? What’s wrong? There isn’t enough information to solve the problem.

13. What further information is needed to solve the problem? Take a few minutes to discuss with your classmates how you can change the word problem so you can answer the question. Here’s one example: There are 3 clownfish and 1 seahorse that is two years old. Today is the seahorse’s birthday, he just turned a year older. How old is the seahorse?

14. Guess what? I think your ready! Let’s see what we’ve learned by playing a game.

15. 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100 Welcome to Who Wants to be a Millionaire 50:50

16. 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100

17. A: 1 C: 2 B: 5 D: 24 50:50 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100 How many fish were on the introduction page?

18. 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100

19. A: Is solvable C: Takes time to solve B: To much information D: Not enough information 50:50 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100 A Trap Problem has…

20. 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100

21. A: 15 C: 4 B: 9 D: 36 50:50 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100 A fish tank contains 3 large fish and 12 small fish. How many fish are there in the tank?

22. 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100

23. A: 12 C: 1 B: 7 D: 4 50:50 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100 An aquarium has 4 fish and 3 snails. How many fish are there in the aquarium?

24. 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100

25. A: 21 C: 9 B: 3 D: 12 50:50 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100 A fish tank contains 12 fish of which 9 are stationary. How many fish in the tank are moving?

26. Congratulations! You’ve Reached the $1,000 Milestone! Congratulations! C o n g r a t u l a t i o n s !

27. 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100

28. A: 4 C: 16 B: 10 D: 5 50:50 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100 A magician has 8 hens. He makes each hen lay 2 eggs. How many eggs are there in all?

29. 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100

30. A: 15 C: 100 B: 4 D: 5 50:50 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100 Sean has $20 in his pocket. Each fish costs $5. How many fish can he buy?

31. 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100

32. A: 27 C: 3 B: 9 D: 4 50:50 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100 A board game has 9 total coins. There are equal number of coins of 3 different colors. How many coins are there of each color?

33. 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100

34. A: 0 C: 2 B: 4 D: 8 50:50 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100 JJ divided 4 by 2 on his calculator. What quotient did the calculator display?

35. 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100

36. A: 9 C: 6 B: 8 D: 7 50:50 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100 Austin has 42 marbles. He shares them equally among 6 friends. How many marbles does each friend get?

37. Congratulations! You’ve Reached the $32,000 Milestone! Congratulations! C o n g r a t u l a t i o n s !

38. 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100

39. A: 30 C: 25 B: 35 D: 40 50:50 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100 A starfish has 5 arms. How many arms do 6 starfish have?

40. 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100

41. A: 72 C: 90 B: 9 D: 81 50:50 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100 There are 3 cakes. Each cake is cut into 9 parts. Each part is further cut into 3 pieces. How many cake pieces are there in all?

42. 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100

43. A: 48 C: 16 B: 42 D: 45 50:50 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100 A school has 3 lunch rooms. Each lunch room has 4 tables. If there are four children to each table, how many children stay for lunch?

44. 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100

45. A: 28 C: 30 B: 24 D: 20 50:50 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100 A fish tank contains 66 fish. There are 30 red fish, and 8 green fish. How many fish are there of other colors?

46. 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100

47. A: It’s a Trap Problem C: 10 B: 6 D: 8 50:50 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100 A fish was supposed to swim 8 feet. After 3 minutes he had 2 feet left. How many feet was he able to swim?

48. YOU WIN $1 MILLION DOLLARS!

49. Sorry. But don’t worry, you’ll get it next time!