by miss p humes for 3a n.
Download
Skip this Video
Loading SlideShow in 5 Seconds..
Number patterns in math PowerPoint Presentation
Download Presentation
Number patterns in math

Loading in 2 Seconds...

play fullscreen
1 / 16

Number patterns in math - PowerPoint PPT Presentation


  • 152 Views
  • Uploaded on

BY MISS P HUMES FOR 3A. Number patterns in math. What is a Number Pattern?. A number pattern is a list of numbers that follow a certain rule.

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'Number patterns in math' - zlata


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
what is a number pattern
What is a Number Pattern?
  • A number pattern is a list of numbers that follow a certain rule.
  • Number patterns can be found everywhere. In a phone number, you can find a number pattern (222-333-4441). You can find number patterns in a person's address (1212 Home Street).
  • Look at this number pattern.
  • 321, 421, 521, 621...
  • The next number would be 721.
attributes of number patterns
Attributes of Number Patterns
  • A pattern can be a growing or increasingpattern.
  • This means that the numbers in the pattern are getting larger.
  • Examples: 2, 4, 6, 8 Rule: add 2

3, 8, 13, 18 Rule: add 5

125, 135, 145 Rule: add 10

4, 8, 16, 32 Rule: double the number or multiply by 2

attributes of number patterns1
Attributes of Number Patterns
  • A pattern can be a shrinking or decreasingpattern.
  • This means that the numbers in the pattern are getting smaller
  • Examples: 750, 650, 550, 450 Rule: subtract 100

35, 30, 25, 20 Rule: subtract 5

200, 40, 8 Rule: divide 5

attributes of number patterns2
Attributes of Number Patterns
  • A pattern can be a repeatingpattern.
  • This means that the numbers in the pattern repeat over and over again.
  • Examples: 10, 18, 10, 18, Rule: 10, 18 then it repeats

3, 6, 3, 2, 3, 6, 3, 2 Rule: 3, 6, 3, 2, then it repeats

attributes of number patterns3
Attributes of Number Patterns
  • Look at the following number patterns. Can you tell if it is an increasing/shrinking pattern, a decreasing/growing pattern or a repeating pattern...
  • 20, 29, 38, 20, 29, 38
  • 11, 17, 23, 29, 35
  • 51, 46, 41, 36, 31
  • 23, 25, 27, 29
  • 21, 18, 15, 12

repeating, Rule: 20, 29, 38, 20 then it repeats

increasing, Rule: add 6

decreasing, Rule: subtract 5

Increasing. Rule: add 2

Decreasing, Rule: subtract 3

types of number patterns
TYPES OF NUMBER PATTERNS
  • There are many different types of number patterns but we will learn about 2;
  • Arithmetic Sequence
  • Geometric Sequence
arithmetic sequence
Arithmetic Sequence
  • A sequence is group of numbers that follow a pattern based on a specific rule.
  • An arithmetic sequence involves a sequence of numbers to which the same amount has been added or subtracted.
  • The amount that is added or subtracted is known as the commondifference.
  • For example, in the sequence "1, 4, 7, 10, 13..." each number has been added to 3 in order to get the next number. The common difference for this sequence is 3.
arithmetic sequence1
Arithmetic Sequence
  • Here are some examples of arithmetic sequences.
  • 12, 14, 16, 18, 20, 22,
  • 76, 70, 64, 58, 52, 46
  • 17, 22, 27, 32, 37, 42
  • 16, 20, 24, 28, 32, 36
  • 95, 87, 79, 71, 63, 55
  • 81, 75, 69, 63, 57, 51

Rule: Add 2

Rule: Subtract 6

Rule: Add 5

Rule: Add 4

Rule: Subtract 8

Rule: Subtract 6

geometric sequence
Geometric Sequence
  • A geometric sequence is a list of numbers that are multiplied or divided by the same amount.
  • The amount by which the numbers are multiplied is known as the commonratio.
  • For example, in the sequence "2, 4, 8, 16, 32..." each number is multiplied by 2. The number 2 is the common ratio for this geometric sequence.
geometric sequence1
Geometric Sequence
  • Here are some examples of geometric sequences.
  • 1, 2, 4, 8, 16
  • 2, 6, 18, 54
  • 81, 27, 9, 3, 1
  • 512, 256, 128, 64

Rule: Multiply by 2

Rule: Multiply by 3

Rule: Divide by 3

Rule: Divide by 2

discovering number patterns
Discovering Number Patterns
  • When trying to find the rule of a number pattern, try the following steps.
  • Example: 106, 100, 94, ___, 82, ___
  • Step 1: Decide whether or not it is an increasing or decreasing pattern.
  • Step 2: Find the difference between the first two numbers by subtracting the smaller number from the bigger number

This is a decreasing pattern because the numbers are getting smaller.

106

- 100

6

discovering number patterns1
Discovering Number Patterns
  • Step 3: Repeat step 2 for the next given terms and see if you notice a pattern.
  • Step ;4: Once you have discovered the difference, fill in the missing terms and state the rule

10o

- 94

6

106, 94, 88, 82, 76Rule: Subtract 6

number patterns challenge
NUMBER PATTERNS CHALLENGE
  • You will be shown a series of number patterns.
  • In your groups, see if you can find the rule.
  • For each one you get right, you will earn 2 points to be added to your group points.
  • Are you ready?
  • Let`s Go!!!
number patterns challenge1
NUMBER PATTERNS CHALLENGE
  • 16, 19, 22, 25, 28
  • 49, 47, 45, 43, 41
  • 101, 93, 85, 77, 69
  • 3, 6, 12, 24, 48
  • 98, 87, 76, 65, 54
  • 15, 115, 215, 315
  • 3, 4, 3, 2, 3, 4, 3, 2

RULE: Subtract 3

RULE: Subtract 2

RULE: Subtract 8

RULE: Add 3

RULE: Subtract 11

RULE: Add 100

RULE: 3, 4, 3, 2 then it repeats

number pattern games
Number Pattern Games
  • Here are some games to help you practice your number pattern skills.
  • http://www.myschoolhouse.com/courses/O/1/79.asp
  • http://www.free-training-tutorial.com/math-games/sequences-line-dry.html?1&
  • http://www.bbc.co.uk/schools/ks2bitesize/maths/number/number_patterns/play.shtml