4th- Multiplication Review Study Guide

​-two factors are multiplied together to get a number (product)

-factors are related to the operation of multiplication

-​Example: 2 x 7 = 14; therefore, 2 and 7 are factors of 14.

​​Factors

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​-multiplies are the products resulting from the times tables of a number

-Example: ​0, 2, 4, 6, 8, 10, 12, 14, 16, 20, 22, and 24 are some of the multiplies of 2

-multiples can go on forever ​because the times tables go on for as long as there are numbers to multiply

​​Multiples

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Multiple Choice

1, 2, 3 and 6 are factors of 6.

• True

• False

Multiple Choice

The factors of 24 are...

• 1,6,9

• 1,8,12

• 1,5,12

• 15,30,48

Multiple Choice

Joe has listed the first 4 multiples of 7 as: 0 7   14    22     28 Which one is incorrect?

• 7
• 14
• 22
• 28

Multiple Choice

Factors in Word Problems: Terrance puts 36 markers into boxes. He wants to put the same number of markers in each box with no markers left over. He genrates a list of all the options to show how many markers he can put into boxes. Which of the following is a list of all options?

• 2, 3, 4, 6, 9

• 1, 2, 3, 4, 6, 9, 12, 18, 36

• 4, 8, 12, 16, 20, 24, 28, 32, 36

• 1, 2, 3, 4

Multiplication can be used to compare amounts.

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For example: Nick read 9 pages in his book last week. Jane read 5 times as many pages as Nick in her book. How many pages did Jane read? ​

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​Multiplication Sentences

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Multiple Choice

Which equation shows that 30 is 6 times as many as 5?

• 11 = 6 + 5

• 30 = 6 x 5

• 25 = 5 x 5

• 24 = 30 - 6

Fill in the Blanks

Joey earns $3 each time he walks the Mather's dog. He earns twice as much when he walks the Randolph's dog. How much does he earn when he walks the Randolphs' dog? Write an expression and the product that models the comparison.

ex (#x#=#) no spaces

Multiple Choice

Pavel hikes 6 miles on a camping trip to the lake. He hikes 3 times as many miles on his camping trip to the river. How many miles does he hike on both trips combined?

• 6

• 18

• 24

• 30

Use all of your tools to be successful. Make sure that you are reviewing the algorithms ​from your notebook and working out the problems..this is not mental math!

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​Multidigit x 1 Digit Multiplication

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Fill in the Blanks

A local organization has 4,207 book bags to give to students at the elementary school. Each book bag has 3 three pencils. In total, how many pencils are in all the book bags?

Multiple Choice

Lee earns $1,075 a month for doing landscaping work in his neighborhood. How much does he earn in 6 months?

• $6,450

• $6,050

• $1,050

• $6,420

Use all of your tools to be successful. Make sure that you are reviewing the algorithms ​from your notebook and working out the problems..this is not mental math!

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​2 digit x 2 digit Multiplication

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Multiple Choice

There are 61 dolphins. Each dolphin ate 42 fish for dinner. How many fish did the dolphins eat?

• 2,460

• 2,562

• 2,712

• 2,332

Multiple Choice

Mr. Nava has 18 plants. Each plant has 12 leaves and 10 flowers. How many leaves are there in all?

• 150 leaves

• 180 leaves

• 216 leaves

• 200 leaves

Multiple Choice

35 x 40

• 1,400

• 140

• 1,040

• 150

​You will be having your multiplication quiz on all of the topics from this lesson study guide on Friday!

Remember to use all of your tools and resources to help you be successful! ​