Lesson 6

Adding and Subtracting in Space

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
X

TIMS Challenge

This is a Problem of the Week. Encourage students to work together on this project. Questions 5 and 6 can be used as an ongoing class competition with the latest words posted in the room. Use of the dictionary and calculator is appropriate.

1.
72¢
2–3.
Answers will vary.
72¢
4.
diamond 60¢; emerald 58¢; diamond is more valuable.
72¢
5–7.
Answers will vary.
72¢
8.
Student should see that the answer will be ten times their answer in Question 2.

X. What Are Words Worth?

Make yourself a chart where the letter A = 1¢, B = 2¢, C = 3¢, and so on until you get to Z = 26¢. Now find the value of words by adding together the amounts for each letter in the word. For example, the word cat is worth 24¢ because C = 3¢, A = 1¢, and T = 20¢.

  1. What is the value of the word money?
  2. What is the value of your first name?
  3. Who has the most valuable name in your family? List the names in your family and their values.
  4. Which word is more valuable, diamond or emerald?
  5. Try to find a word that is worth exactly $1.00.
  6. Find the shortest word you can that is worth more than $1.00.
  7. What is the most valuable word you can find?
  8. What would be the value of your first name if the letter A = 10¢, B = 20¢, C = 30¢, and so on? Explain how you know.