Be sure that you have an application to open
this file type before downloading and/or purchasing.
814 KB|2 pages
This grade 3 math fluency page provides practice in using the strategy of "see 99, think 100" by adding 100 instead of 99 and then subtracting 1. (45+99=____ could be viewed as 45+100=145, then subtract 1 for an answer of 144)