mathcounts notes
The best math program for middle school students
Showing posts with label
number 11
.
Show all posts
Showing posts with label
number 11
.
Show all posts
Saturday, June 23, 2012
Mental Math Tricks I
›
Multiples of 11: 11 x 14 = 1 ___ 4 , the middle number is (1 + 4) so the answer is 154 Let's try a few calculations mentally. 11 x...
4 comments:
›
Home
View web version