Review of Patterns

Chapter 23

Warm Up: Solve the following.

• 1.) Mr. Lee buys 8 packs of pens. Each pack hold 4 pens. How many pens does he buy?

• 2.) Ken’s book has 367 pages. Al’s book has 411 pages. Ed’s book has 65 more pages than Ken’s book. Tom’s book has 15 more pages than Al’s book. Whose book has the most pages? How many pages are in their book?

Question:

Name the pattern unit for each.

Answer

Triangle, Circle, Square

Question:

Name the pattern unit for each.

Answer:

Rectangle, Triangle, Triangle

Question:

What are the next 2 shapes to the pattern:

_______ , _______

Answer:

What are the next 2 shapes to the pattern:

_______ , _______

Question:

What are the next 2 shapes to the pattern:

________ , ________

Answer:

What are the next 2 shapes to the pattern:

________ , ________

Question

Write a rule for each pattern.

Answer

Rule: Add one square.

Question:

Write a rule for the pattern.

Answer:

Add one row of 3 circles.

Question:

Write a rule for the pattern.

12, 15, 18, 21, 24, 27

Answer:

Write a rule for the pattern.

12, 15, 18, 21, 24, 27

+ 3 + 3

Question:

Write a rule for the pattern.

49, 47, 45, 43, 41, 39

Answer:

Write a rule for the pattern.

49, 47, 45, 43, 41, 39

- 2 - 2

Question:

Write a rule for the pattern.

235, 241, 247, 253, 259, 265

Answer:

Write a rule for the pattern.

235, 241, 247, 253, 259, 265

+ 6 + 6

Question:

Write a rule for the pattern.

98, 108, 118, 128, 138, 148

Answer:

Write a rule for the pattern.

98, 108, 118, 128, 138, 148

+ 10 + 10

Question:

Find the missing numbers:

305, 302, 299, 296, ___, 290, ___

Answer:

Find the missing numbers:

305, 302, 299, 296, 293, 290, 287

Rule: Subtract 3

Question:

Find the missing numbers:

719, 723, 727, 731, ___, ___

Answer:

Find the missing numbers:

719, 723, 727, 731, 735, 739

Rule: Add 4

Question:

Find the missing numbers:

89, 98, 107, 116, ___, 134, ___

Answer:

Find the missing numbers:

89, 98, 107, 116, 125 , 134, 143

Rule: Add 9

Question:

The number is missing from the fifth mailbox. The mailbox numbers are 114, 122, 130, 138, ___, and 154. What is the missing number?

Answer:

The number is missing from the fifth mailbox. The mailbox numbers are 114, 122, 130, 138, 146, and 154. What is the missing number?

146 is the missing number

Question:

Write a rule for the pattern.

49, 51, 53, 55, 57, 59

Answer:

Rule: Add 2

49, 51, 53, 55, 57, 59

+ 2 + 2

Question:

Write a rule for the pattern.

99, 90, 81, 72, 63, 54

Answer:

Rule: Subtract 9

99, 90, 81, 72, 63, 54

- 9 - 9

Question:

Write a rule for the pattern.

88, 98, 108, 118, 128, 138

Answer:

Rule: Add 10

88, 98, 108, 118, 128, 138

+ 10 + 10

Question:

Find the missing numbers.

63, 70, ____, 84, ____

Answer:

Find the missing numbers.

63, 70, ____, 84, ____77 91

Question:

Find the missing numbers.

20, 60, ____, 140, ____

Answer:

Find the missing numbers.

20, 60, ____, 140, ____100 180