arithmetic patterns

Arithmetic Patterns

Anticipatory Set

• Think-Write-Share

• Think about what a number pattern is and what

makes it a pattern. Write down everything you can remember about patterns. Be ready to share with the class.

Objective

• I can identify and explain patterns in addition and

multiplication tables.

• Essential Questions:

• What is an Arithmetic pattern?

• How do these patterns relate to multiplication and

addition tables?

• Devin says that when you multiply an even number by an odd number, the product is even.
Is Devin right or wrong?
However...... Nicole disagrees. She says that the
product is an odd number. Who is correct and
why?

Open Ended

Write an example of a number pattern

Other Arithmetic Rules to Think

About

• Now, look at the Multiplication chart again. Using a highlighter, highlight the even numbers with yellow. Do you see a pattern?
Next highlight the odd numbers with green.

Draw

Highlight the even number in yellow and highlight the even numbers in green.

Active Participation

• Notebooks Ready!

Rule 1

• Even x Even = EVEN

• 6 x 4 = 24

• 2 x 8 = 16

• 4 x 12 = 48

• Look at the Multiplication chart. Now you think of

one!

Rule 2

• Odd x Odd = ODD

• 3 x 3 = 9

• 7 x 3 = 21

• 5 x 5= 25

• Now you try one! Use your Multiplication chart if needed

Rule 3

• Odd x Even = EVEN

• 3 x 4 = 12

• 5 x 8 = 40

• 9 x 4 = 36

• Can you think of one?

Multiple Choice

Which of these is an arithmetic pattern?

• 10, 20, 30, 60

• 5, 10, 15, 20

• 25, 26, 28, 30

• 2, 4, 6, 10

Multiple Choice

Complete the pattern. 8, 16, 24, ___

• 30

• 32

• 35

• 45

Multiple Choice

Complete the pattern. 10, 8, 6, 4, ____

• 2

• 3

• 1

• 0

Poll

How do you feel about number patterns?

• Yes bring it on!!

• I am getting there!

• I need more practice

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