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Five-Minute Check (over Lesson 6–2) Main Idea Example 1: Problem-Solving Strategy Lesson Menu
I will solve problems by making a table. Main Idea/Vocabulary
Julio is saving money to buy a new camping tent Julio is saving money to buy a new camping tent. Each week he doubles the amount he saved the previous week. If he saves $1 the first week, how much money will Julio save in 7 weeks? Example 1
Understand What facts do you know? Each week he doubles the amount he saved the previous week. The first week he saved $1. What do you need to find? How much money he will have saved in 7 weeks. Example 1
Plan You can make a table to solve the problem. Example 1
Solve Draw a table with two rows as shown. In the first row, list each week. Then complete the table by doubling the amount he saved the previous week. Example 1
Solve Next add the amount of money he saved each week. $1 + $2 + $4 + $8 + $16 + $32 + $64 = $127 Answer: So, Julio will save $127 in 7 weeks. Example 1
Check Look back at the problem. Check to see if the amount saved doubled each week. Use estimation to check for reasonableness. Round each two-digit number to the nearest $10. $1 + $2 + $4 + $8 + $20 + $30 + $60 = $125 Example 1
End of the Lesson End Lesson
Five-Minute Check (over Lesson 6–2) Image Bank Math Tool Chest Model Multiplication Equations Resources
Solve 7d = 21. Check your solution. (over Lesson 6–2) Solve 7d = 21. Check your solution. A. d = 3 B. d = 147 C. d = 4 D. d = 14 A B C D Five Minute Check 1
Solve 15 = 3x. Check your solution. (over Lesson 6–2) Solve 15 = 3x. Check your solution. A. x = 0.2 B. x = 45 C. x = 5 D. x = 12 A B C D Five Minute Check 2
Solve 2w = 12. Check your solution. (over Lesson 6–2) Solve 2w = 12. Check your solution. A. w = 10 B. w = 6 C. w = 24 D. w = 1 6 A B C D Five Minute Check 3
Solve 20 = 2z. Check your solution. (over Lesson 6–2) Solve 20 = 2z. Check your solution. A. z = 40 B. z = 18 C. z = 1 10 A B C D D. z = 10 Five Minute Check 4
Solve 9p = 36. Check your solution. (over Lesson 6–2) Solve 9p = 36. Check your solution. A. p = 4 B. p = 27 C. p = 324 A B C D D. p = 45 Five Minute Check 5
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