Here is a fun way for kids to play with math. Teach them how to use Japanese multiplication method. This visual math trick lets kids use lines and their intersections to see how math works and helps show that math and numbers can be fun.
Video how to use Japanese Multiplication method
How to use Japanese Multiplication method:
- Draw sets of parallel lines representing each digit of the first number to be multiplied.
- Draw sets of parallels, perpendicular to the first sets of parallels, corresponding to each digit of the second number.
- Put dots where each line crosses another line.
- On the left corner, put a curved line through the wide spot with no points. Do the same with the right.
- Count the points in the right corner.
- Then count the points in the middle.
- Count the ones in the left corner.
- If the number on the right is greater than 9, carry and add the number in the tens place to the number in the middle. If the number in the middle is greater than 9, do the same thing except add it to the number from the left corner.
- Write all those numbers down in that order and you will have your answer.
Infographic how to use Japanese Multiplication method
*click to enlarge
Sources: Pinterest, Wikipedia, archimedes-lab.org
Author: Tony Poruba
is PROUD father and geek. Founder of How2db.com. Enthusiastic beginner in SEO and social networking. He is also an average ice hockey player, canoeist, beer lover, and guitarist. Sometimes (often) he has to go to work as an industrial engineer.
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How to use Japanese Multiplication method
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Here is a fun way for kids to play with math. Teach them how to use Japanese multiplication method. This visual math trick lets kids use lines and their intersections to see how math works and helps show that math and numbers can be fun.
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Tony Poruba
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How2db.com
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is PROUD father and geek. Founder of How2db.com. Enthusiastic beginner in SEO and social networking. He is also an average ice hockey player, canoeist, beer lover, and guitarist. Sometimes (often) he has to go to work as an industrial engineer.
