1089 Number Trick video
Choose a 3 digit number, subtract and add the opposites and the result will always be 1,089. Great math trick for in school or with your friends.
Or choose one of the following related Math videos:
4 digit addition Grade 3
Very clear video on how to add 4 digit numbers using a pen and a notebook. Well paced and explained. Great for third graders!
Very clear video on how to add 4 digit numbers using a pen and a notebook. Well paced and explained. Great for third graders!
Subtracting numbers with an Abacus Grades 5/ 6
This video explains how to use an Abacus and how to subtract numbers with it. The video has 2 parts and canbe used for all grade levels.
This video explains how to use an Abacus and how to subtract numbers with it. The video has 2 parts and canbe used for all grade levels.
Adding 4 digit Numbers Trick
Add 5 random chosen four digit numbers and predict the outcome upfront. Impossible? Great math magic trick video for grade 3 or up.
Add 5 random chosen four digit numbers and predict the outcome upfront. Impossible? Great math magic trick video for grade 3 or up.
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