1. Solving the Mystery Finding key words to help pick the right strategy

2. “Smart” My dad gave me one dollar bill ‘Cause I’m his smartest son, And I swapped it for two shiny quarters ‘Cause two is more than one! And then I took the quarters And traded them to Lou For three dimes – I guess he don’t know That three is more than two! Just then, along came old blind Bates And just ‘cause he can’t see He gave me four nickels for my three dimes, And four is more than three!

3. “Smart” And I took the nickels to Hiram Coombs Down at the seed-feed store, And the fool gave me five pennies for them, And five is more than four! And then I went and showed my dad, And he got red in the cheeks And closed his eyes and shook his head – Too proud of me to speak!

4. Our Objective  To decide, with money problems, how to pick the right strategy to solve the problems.  Finding key words that tell us what strategy to use.

5. How do I figure out which words help?   Terry went shopping for some gifts. She spent $5.60 on a bicycle and $4.30 on a scooter, how much money did she spend in all?

6. Problem Key Words Strategy (Add or Subtract) WorkSolution A) A.Terry went shopping for some gifts. She spent $5.60 on a bicycle and $4.30 on a scooter, how much money did she spend in all?

7. Problem Key Words Strategy (Add or Subtract) WorkSolution A)Spent In All A.Terry went shopping for some gifts. She spent $5.60 on a bicycle and $4.30 on a scooter, how much money did she spend in all?

8. Problem Key Words Strategy (Add or Subtract) WorkSolution A)Spent In All Add A.Terry went shopping for some gifts. She spent $5.60 on a bicycle and $4.30 on a scooter, how much money did she spend in all?

9. Problem Key Words Strategy (Add or Subtract) WorkSolution A)Spent In All Add $5.60 $5.60 + 4.30 + 4.30 $9.90 $9.90 A.Terry went shopping for some gifts. She spent $5.60 on a bicycle and $4.30 on a scooter, how much money did she spend in all?

10. Problem Key Words Strategy (Add or Subtract) WorkSolution A)Spent In All Add $5.60 $5.60 + 4.30 + 4.30 $9.90 $9.90 She spent $9.90. A.Terry went shopping for some gifts. She spent $5.60 on a bicycle and $4.30 on a scooter, how much money did she spend in all?

11. B) Jack buys a book about the Redwood National Park for $2.39. He pays with a 5-dollar bill. How much change does Jack receive? Problem Key WordsStrategy (addition or subtraction) WorkSolution B)

12. B) Jack buys a book about the Redwood National Park for $2.39. He pays with a 5-dollar bill. How much change does Jack receive? Problem Key WordsStrategy (addition or subtraction) WorkSolution B) Change Receive

13. B) Jack buys a book about the Redwood National Park for $2.39. He pays with a 5-dollar bill. How much change does Jack receive? Problem Key WordsStrategy (addition or subtraction) WorkSolution B) Change Receive Subtract

14. B) Jack buys a book about the Redwood National Park for $2.39. He pays with a 5-dollar bill. How much change does Jack receive? Problem Key WordsStrategy (addition or subtraction) WorkSolution B) Change Receive Subtract$ 5.00 - 2.39 $2.61

15. B) Jack buys a book about the Redwood National Park for $2.39. He pays with a 5-dollar bill. How much change does Jack receive? Problem Key WordsStrategy (addition or subtraction) WorkSolution B) Change Receive Subtract$ 5.00 - 2.39 $2.61 He received $2.61 in change.

16. 1) John wants to buy some gifts for Christmas. His mother gave him $25.00 to purchase some gifts. Michael buys a game for $10.50 and a watch for $7.50. How much money does John have left? Proble m Key Words Strategy (Addition or Subtraction) WorkSolution 1)

17. 1) John wants to buy some gifts for Christmas. His mother gave him $25.00 to purchase some gifts. Michael buys a game for $10.50 and a watch for $7.50. How much money does John have left? Proble m Key Words Strategy (Addition or Subtraction) WorkSolution 1) Buys Have left

18. 1) John wants to buy some gifts for Christmas. His mother gave him $25.00 to purchase some gifts. Michael buys a game for $10.50 and a watch for $7.50. How much money does John have left? Proble m Key Words Strategy (Addition or Subtraction) WorkSolution 1) Buys Have left Add, then subtract

19. 1) John wants to buy some gifts for Christmas. His mother gave him $25.00 to purchase some gifts. Michael buys a game for $10.50 and a watch for $7.50. How much money does John have left? Proble m Key Words Strategy (Addition or Subtraction) WorkSolution 1) Buys Have left Add, then subtract $10.50 + 7.50 $18.00 $25.00 - 18.00 $ 7.00

21. 1) John wants to buy some gifts for Christmas. His mother gave him $25.00 to purchase some gifts. Michael buys a game for $10.50 and a watch for $7.50. How much money does John have left? Proble m Key Words Strategy (Addition or Subtraction) WorkSolution 1) Buys Have left Add, then subtract $10.50 + 7.50 $18.00 $25.00 - 18.00 $ 7.00 He has $7.00 left.