Answers to mental math problems
From KNILT
Revision as of 11:23, 1 December 2010 by Christine Podgorski (talk | contribs)
- Let's use some mental math! Solve the following problems using mental math...
- 1. -8 + -9= -17
- 2. -15 + -6= -21
- 3. 50 + 36= 86
- 4. -200 + -50= -250