Tuesday, July 29, 2014

45 Free SAT MATH Problems Tweeted in 21 Days! Enjoy!

Just Follow me at twitter.com/dmarain

Pls remember that all of these are based on actual SAT questions but are completely original and therefore subject to the Creative Commons License in sidebar. Essentially, use them for your students or for yourserlf but no commercial reproduction. Thanks...

Perhaps my favorite is one I tweeted today:

How many combos of 2 pizza toppings can be selected from 10 choices?
Note: S,P is same as P,S; P,P is allowed

(A)100 (B)90 (C)55 (D)54 (E)45

Respond with answer and solution via Contact Form near top of sidebar.

Monday, July 21, 2014


See them on my twitter feed at

Did you submit your solution to the Geometry Puzzle from 7-20-14 via the Contact Form?

Sunday, July 20, 2014

Best Geometry Puzzle Ever?

Sorry. To see it, go to my twitter account:
Click on the image and magnify  or print as needed. If any angle measures are unclear let me know in Comments.
1. Submit answer and solution using Contact Form in right sidebar of my blog. PLS DO NOT SUBMIT SOLUTIONS IN COMMENTS!
2.  Best solutions (not just answer) will receive recognition (you'll be known to the 3 people reading my blog!) and a download of my book.
3. Please include your full name, email, state/country, your connection to math (student,teacher,etc) and how you found my blog.

Sunday, July 13, 2014

Dozens of Free Common Core, SAT Practice Problems

I've been posting numerous challenge problems on Twitter of late, some with answers.
You can see these at twitter.com/dmarain.

Teachers: Feel free to use these to irritate your students.
Students: Feel free to use these to irritate your teachers. Lol

If you want to check your answers to these or you disagree with my answers or if you have any questions, use the new Contact Form in the sidebar.