Hexa-Trex Puzzles

These puzzles look like a lot of fun for whole number and integer arithmetic review. I think they would make a great warm-up at the beginning of a class or math club meeting.

Hat tip: MathPuzzle.com

Continue reading Hexa-Trex Puzzles

Carnival of Homeschooling #65

The new Carnival of Homeschooling #65 honors Charles Darwin. (Earlier this month, I posted my favorite Darwin quote.)

And be sure to drop by and browse this week’s Carnival of Education.


howtosolveproblemsWant to help your kids learn math? Claim your free 24-page problem-solving booklet, and sign up to hear about new books, revisions, and sales or other promotions.

Skit: The Handshake Problem

[Feature photo above by Tobias Wolter (CC-BY-SA-3.0) via Wikimedia Commons.]

If seven people meet at a party, and each person shakes the hand of everyone else exactly once, how many handshakes are there in all?

In general, if n people meet and shake hands all around, how many handshakes will there be?

Our homeschool co-op held an end-of-semester assembly. Each class was supposed to demonstrate something they had learned. I threatened to hand out a ten question pop quiz on integer arithmetic, but instead my pre-algebra students presented this skit. You may adjust the script to fit the available number of players.

Continue reading Skit: The Handshake Problem

Celebrate the Journey

This week’s Carnival of Homeschooling celebrates the spring migration and the life-journey of learning. Enjoy!

Edited to add: And this week’s Carnival of Education is here.


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Nothing Is Everything

Does this proof at squareCircleZ blog mean that, if I get nothing done today, I can cross off everything on my list?


howtosolveproblemsWant to help your kids learn math? Claim your free 24-page problem-solving booklet, and sign up to hear about new books, revisions, and sales or other promotions.

The Carnival Of Education: Week 110

Education, politics, classroom management, schooling, unschooling, and how to manage a student loan… You’ll find all this and more at The Carnival Of Education: Week 110 .


howtosolveproblemsWant to help your kids learn math? Claim your free 24-page problem-solving booklet, and sign up to hear about new books, revisions, and sales or other promotions.