Test Review (Multiplication Strategies)

Multiplication Strategies Review/Test Prep

​Area Model Review

• ​Remember, this is just one of the methods you can use. Mr. J also has a review video using 2 digit by digit as well as 4 digit by 1 digit.

Standard Algorithm

​Here is another method you may use when multiplying whole numbers. Mr. J also has a 2 digit by 2 digit video as well as 3 digit by 1 digit. Be sure to check out those videos if you are still struggling.

Solve.

Be prepared to input your answer on the next slide. 

Solve.

Solve.

Re-watch Multiplying by Powers of 10 Video

Multiple Choice

What number sentence represents 10⁶

• 10x6

• 10x10x10

• 10x10x10x10x10x10

Multiple Choice

45x10=

45x100=

45x1,000=

• 45

  450

  4500

• 40

  400

  4000

• 450

  4500

  45000

• 450

  45000

  450000

Multiple Choice

23 x 10^{3 =}

• 230

• 690

• 2,300

• 23,000

Multiple Choice

7 x 10² = 700

7 x 10³ = 7,000

7 x 10⁴ = 70,000

Following this pattern, 7 x 10⁷ would equal what?

Hint, pay attention that is skipped 10 to the 5th power and 10 to the 6th power!

• 7,000,000

• 70,000,000

• 777,777,777

• 700,000