1. Do NOW
Write an expression for the phrase: 4 times the difference of 6 and number x is more than 28.
There are three times as many finches as mockingbirds. If there are 48 birds, how many mockingbirds are there? Show your work.
1/13/ :38 PM
1.5: Patterns

2. Page 24 3) 42 + n = 51 4) z – 11 = 35 5) 9 – (t/6) = 5 6) 12 + 8k = 487)
9(t + 5) < 6 8)
4w < 51
12)
p < 10
13)
p > $12.99
14)
Wrong inequality; <
15)
16) D
18) No
20)
Yes
22)
24)
Yes
26) No
28)
40)
27 + x < 40; no
1/13/ :38 PM
1.5: Patterns

3. Patterns
Section 1.5
1/13/ :38 PM
1.5: Patterns

4. Steps
Take the difference between at least two of the different y-coordinates
Determine the pattern by putting it in a chart.
Plug into the formula
1/13/ :38 PM
1.5: Patterns

5. Example 1 Stage 0 Stage 1 Stage 2 Stage 3
Determine Stage 0 & Stage 3 and the pattern
Stage 0
Stage 1
Stage 2
Stage 3
1/13/ :38 PM
1.5: Patterns

6. Example 1
Stage 3
Stage 2
Stage 1
Stage 0
Compared to stage 1 and stage 2, what blocks stayed the same?
Compared to stage 1 and stage 2, what blocks stayed became different?
What’s the difference between stage 2 to stage 1? (Stage 2 – Stage 1)
How many blocks can be add on stage 3?
How many blocks can be subtracted on stage 0?
1/13/ :38 PM
1.5: Patterns

7. Example 1 1 1 1 3 1 5 1 7 1 1 2 3 n s or f(x) Stage # n Process Column
Total # of squares s 1 2 3 n
s or f(x) 1 1 1 3 1 5 1 7 1
1/13/ :38 PM
1.5: Patterns

8. What is the pattern rule?
Example 2
Determine the pattern
Stage 0
Stage 1
Stage 2
Stage 3
What is the pattern rule?
1/13/ :38 PM
1.5: Patterns

9. Your Turn Determine the pattern Stage 3 Stage 2 Stage 1 Stage 0
1/13/ :38 PM
1.5: Patterns

10. Assignment
Worksheet
1/13/ :38 PM
1.5: Patterns