Math: What Every 5th Grader Should Know (18 of 25) Ch 3: Multiplication of 2 2-Digit Numbers: 2

424 views · Published 11 January 2016 · 4:43 · Indexed 14 November 2026

Channel: Michel van Biezen · 2016 · Education

Watch on YouTube

This video has a mistake. Please go to
https://youtu.be/8qxW7-ObeTQ
for corrected video.

Visit http://ilectureonline.com for more math and science lectures!

In this video I will explain the rules and tricks of multiplying by 2 2-digit numbers “in your head.”

Next video in this series can be seen at:
https://youtu.be/8qxW7-ObeTQ

More from this channel

• 3:51 Algebra - Word Problems - The Sum of Consecutive Integers (3 of 3)

  Michel van Biezen

  3,965 views · 16 November 2012

• 2:40 Algebra - Word Problems - Percentages Part 1/3

  Michel van Biezen

  4,881 views · 2 December 2012

• 4:14 Algebra - Word Problems - Percentages Part 2/3

  Michel van Biezen

  3,750 views · 2 December 2012

• 4:23 Algebra - Word Problems - Ratios Part 1/3

  Michel van Biezen

  3,448 views · 9 December 2012

• 4:07 Algebra - Word Problems - Ratios Part 2/3

  Michel van Biezen

  1,993 views · 9 December 2012

• 7:08 Algebra - Word Problems - Find the equation from 2 points (1 of 2)

  Michel van Biezen

  4,156 views · 14 December 2012

• 2:52 Algebra - Word Problems - Find the equation from 2 points (2 of 2)

  Michel van Biezen

  2,423 views · 14 December 2012

• 7:10 Algebra - Word Problems - Finding the slope

  Michel van Biezen

  3,217 views · 14 December 2012