Ads
related to: 8 and 9 times tables games multiplication facts 2 digit by 1 digit- Math Practice PreK-8
Learn at your own pace.
Discover math and have fun!
- About Us
AdaptedMind Creates A Custom
Learning Experience For Your Child
- Math Games and Worksheets
Explore our monster math world
Play 20 free problems daily!
- How It Works
Teachers Create Math Content, Game
Designers Make It Fun & Interactive
- Math Practice PreK-8
Search results
Results from the WOW.Com Content Network
Multiplication table
Multiplication - Wikipedia ... Multiplication
To "cast out nines" from a single number, its decimal digits can be simply added together to obtain its so-called digit sum. The digit sum of 2946, for example is 2 + 9 + 4 + 6 = 21. Since 21 = 2946 − 325 × 9, the effect of taking the digit sum of 2946 is to "cast out" 325 lots of 9 from it. If the digit 9 is ignored when summing the digits ...
Dividing 272 and 8, starting with the hundreds digit, 2 is not divisible by 8. Add 20 and 7 to get 27. The largest number that the divisor of 8 can be multiplied by without exceeding 27 is 3, so it is written under the tens column. Subtracting 24 (the product of 3 and 8) from 27 gives 3 as the remainder.
Trachtenberg system
Multiplication algorithm
Ads
related to: 8 and 9 times tables games multiplication facts 2 digit by 1 digit