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Splash Screen. Five-Minute Check (over Lesson 1–7) Main Idea Example 1: Problem-Solving Strategy. Lesson Menu. I will solve problems by using the guess and check strategy. Main Idea/Vocabulary.

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  1. Splash Screen

  2. Five-Minute Check (over Lesson 1–7) Main Idea Example 1: Problem-Solving Strategy Lesson Menu

  3. I will solve problems by using the guess and check strategy. Main Idea/Vocabulary

  4. The Bactrian camel has two humps, while the dromedary camel has just one. Zach counted 19 animals with a total of 27 humps. How many camels of each type are there? Example 1

  5. Understand What facts do you know? • Bactrian camels have two humps. • Dromedary camels have one hump. • There is a total of 19 camels and 27 humps. What do you need to find? • How many camels of each type are there? Example 1

  6. Plan You can use the guess and check strategy to solve the problem. Use combinations of 19 total camels to guess. Example 1

  7. Solve Guess: 10 Bactrian camels and 9 dromedary camels Check: 10 × 2 = 20 humps 9 × 1 = 9 humps 20 humps + 9 humps = 29 humps Too high. Adjust your guess: Try fewer Bactrian camels and more dromedary camels. Example 1

  8. Solve Guess: 7 Bactrian camels and 12 dromedary camels Check: 7 × 2 = 14 humps 12 × 1 = 12 humps 14 humps + 12 humps = 26 humps Too low. Adjust your guess: Try more Bactrian camels and less dromedary camels. Example 1

  9. This guess is correct. Solve Guess: 8 Bactrian camels and 11 dromedary camels Check: 8 × 2 = 16 humps 11 × 1 = 11 humps 16 humps + 11 humps = 27 humps Answer:So, there are 8 Bactrian camels and 11 dromedary camels. Example 1

  10. Check Look back at the problem. 8 + 11 = 19 camels and 16 + 11 = 27 humps. So, the answer is correct. Example 1

  11. End of the Lesson End Lesson

  12. Five-Minute Check (over Lesson 1–7) Image Bank Math Tool Chest Represent Decimals Resources

  13. A B C D (over Lesson 1–7) Order the set of numbers from least to greatest. 1,543, 2,876, 997, 998 • 2,876, 1,543, 998, 997 • 1,543, 2,876, 998, 997 • 997, 998, 1,543, 2,876 • 998, 1,543, 997, 2,876 Five Minute Check 1

  14. A B C D (over Lesson 1–7) Order the set of numbers from least to greatest. 2.51, 2.30, 2.15 • 2.15, 2.30, 2.51 • 2.30, 2.15, 2.51 • 2.51, 2.30, 2.15 • 2.30, 2.51, 2.15 Five Minute Check 2

  15. A B C D (over Lesson 1–7) Order the set of numbers from least to greatest. 9.909, 6.89, 6.660 • 6.89, 9.909, 6.660 • 6.660, 6.89, 9.909 • 9.909, 6.89, 6.660 • 6.660, 9.909, 6.89 Five Minute Check 3

  16. A B C D (over Lesson 1–7) Order the set of numbers from least to greatest. 5.2, 52.3, 40.48, 40 • 52.3, 40.48, 40, 5.2 • 40.48, 52.3, 40, 5.2 • 40, 5.2, 40.48, 52.3 • 5.2, 40, 40.48, 52.3 Five Minute Check 4

  17. End of Custom Shows

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