Bell work

1
Bell work

• Reproduce the following table on your paper and
  determine the algebraic expression to model this
  table. Show your work!

2
Notes

• Tables and patterns Two kinds
• A. Total sum -- pattern
• Total is 8
• Eaten plus left is 8
• E L 8
• - E - E
• L 8 - E

8
8
8
3
Notes

• Tables and patterns Two kinds
• A. Total sum -- pattern
• Total is 20
• Cost plus change is 20
• C H 20
• - C - C
• H 20 - C

20
20
20
4
Notes

• PEMDAS
• Rules
• Parentheses
• Exponents
• Multiplications, Division
• Addition, Subtract

5
Notes

• Examples
• 18 20 / 4
• 18 5 23
• 2(4 1)
• 4 2
• 2 (5)
• 4 - 2

Calculator (2(41))/(4-2)
5
6
Notes

• III. Examples (continued)
• 4 8 / 2 6 3
• 4 4 18
• 26

7
Notes

• Substitution
• a 4, b 2, c 10, d 6
• 7a 3b
• 7(4) 3(2)
• 26
• cd2
• (10) (6)2
• (10) (36)
• 360

8

• Notes (continued)
• 3a2 12 / b
• 3 (4)2 12 / (2)
• 3 (16) 12 / 2
• 48 6
• 42

9
Activity

• Okay! Here are the rules. All you may use is
  one deck of cards. This is a competition! The
  goal is to start on the floor and see which team
  can stack the highest tower of cards. Boys
  verses Girls! Good Luck!

10
Group Work

• Workbook Page 12, s 5
• And
• Workbook page 13, s 15, 16, 19, 25, 28
• You may work with a partner but each must turn in
  their own paper.

11
Homework

• Workbook Page 12, s 10 and 16. You must
  reproduce the table in your homework and show me
  your work in how you found the pattern and then
  write an equation to model each relationship!
• Workbook page 14, s 10, 19, 42