Go Math Chapter 5

Go Math Chapter 5 Multiplication Patterns 3rd Grade

We've learned A LOT about multiplication patterns!

• Finding multiplication patterns in tables

• Finding mystery numbers

• Multiplying by multiples of 10

Tables

• Look at the numbers on each side

• Think "what happed to the top or left side to make it be the number on the bottom or right side?"

• The same thing needs to happen with all of the numbers

Multiple Choice

What is the rule?

• Multiply by 2
• Multiply by 3
• Add 3
• Add 4

Multiple Choice

Find the rule for the table.

• Add 4

• Multiply by 2

• Multiply by 4

• Divide by 6

Mystery Numbers

• You can use any symbol ? or letter x, z, y,b or even a shape! to hold the place of a mystery number

• whatever number you put in has to make the sentence work

• 3 x ? = 12

• 3 x 4 = 12

• 4 is the mystery number

Multiple Choice

5 x ___ = 25

• 4
• 5
• 6
• 7

Multiple Choice

4 x ____ = 8

• 2
• 3
• 4
• 5

Multiple Choice

____ x 3 = 21

• 5
• 6
• 7
• 8

Multiple Choice

4 x ___ = 16

• 4

• 5

• 6

• 7

Multiples of 10

• Focus on the non zero digits

• Multiply those

• put on the zeros from the factors to the product

• 40 x 2

• think 4x2=8

• put the zero on the product --- 80

• 40 x 2 = 80

Multiple Choice

4 x 30= 

• 120
• 150
• 70
• 180

Multiple Choice

If 9x4=36,

then 90 X 4 = ____

• 180

• 360

• 320

• 440

Multiple Choice

60 X 3 =

• 190
• 200
• 90
• 180

Multiple Choice

If 4x6=24,

then 40 x 6 = ___

• 24

• 240

• 100

• 150

Quick vocab review

• Factors are the things we multiply

• Products are the answers to multiplication problems

• factor x factor = product

• Multiples are the numbers that we skip count

• the multiples of 3 are 3, 6, 9, 12, 15, 18 and so on

• 
  

• 
  

Multiple Choice

The product of a number and other whole numbers (skip counting)

• Multiplication

• Factors

• Array

• Multiple

Multiple Choice

The result of multiplying two numbers.

• quotient
• product
• sum
• difference

Multiple Choice

numbers multiplied together to get another number

• sum
• product
• factors
• constant