This tutorial explains how to allow equations typed in mathtype to show in Word 2011.
2. In each of these boxes, there should have been an equation. Follow the next step to correct this.
3. Go to the top menu bar to MathType. Choose the Convert Equations menu item. (Complete this step several times until all equations are added!)
If you do not have Mathtype, you can install MathType as a free trial. After the trial expires, it reverts to a free version that still has all the functionality required for what we're doing. Here's a link to the free download:
Please notice the part of the page that describes "MathType Lite".