Here are my most-visited posts and pages in 2019. So many ways to play with math!

### #12

I love books, don’t you?

**Math with Living Books**

Do you want to enrich your mind with the great ideas of mathematics? Are you looking for a good book to whet your child’s appetite? Then the following pages of “living” math books are for you…

### #11

A logic challenge that doubles as addition practice. Or is it the other way around?

**Math Game: Thirty-One**

Thirty-One comes from British mathematician Henry Dudeney’s classic book, *The Canterbury Puzzles*…

### #10

Turn a regular deck of cards into math flashcards. Adaptable to any operation.

**Review Game: Once Through the Deck**

The best way to practice the math facts is through the give-and-take of conversation, orally quizzing each other and talking about how you might figure the answers out. But occasionally your child may want a simple, solitaire method for review…

### #9

Seasonally popular enough to make the list every year. You’ll find even more mathy fun in my updated Holiday Math Carnival.

**Christmas Math Puzzles and Activities**

We interrupt our regularly scheduled math program to bring you the following Christmas links…

### #8

A counting game for all ages.

**Math Game: Fan Tan (Sevens)**

Fan Tan may also be called Crazy Sevens. Like any folk game, it is played by a variety of rules around the world…

### #7

The updated post (which ranked at #18 for the year) is better: My Favorite Math Games. Eventually I hope it will surpass this old one.

**20 Best Math Games and Puzzles**

Over the years, Let’s Play Math blog has grown into a sprawling mess, which can make it very hard to find the specific math tip you’re looking for…

### #6

What a wonderful, inspiring movie! You may also enjoy the related Women of Mathematics Carnival.

**Hidden Figures Teaching Resources**

Before computers were machines, computers were people who computed things. This complicated task often fell to women because it was considered basically clerical. That’s right: computing triple integrals all day long qualified as clerical…

### #5

One of my all-time favorites, still helpful after all these years.

**Number Bonds = Better Understanding**

Number bonds let children *see* the inverse relationship between addition and subtraction. Subtraction is not a totally different thing from addition; they are mirror images…

### #4

I intended to write a follow-up series based on this post. Maybe in 2020?

**How to Read a Fraction**

Fraction notation and operations may be the most abstract math monsters our students meet until they get to algebra. Before we can explain those frustrating fractions, we teachers need to go back to the basics for ourselves…

### #3

A dark horse in third place! I never expected this post to draw much interest.

**Puzzle: Factoring Trinomials**

My high school class ended the year with a review of multiplying and factoring simple polynomials. We played a matching game, and then I gave them this puzzle worksheet…

### #2

A perennial favorite: widely adaptable, easy to learn, and kids enjoy it.

**The Game That Is Worth 1,000 Worksheets**

Have you and your children been struggling to learn the math facts? The game of Math Card War is worth more than a thousand math drill worksheets, letting you build your children’s calculating speed in a no-stress, no-test way…

### #1

A well-deserving winner, with activities for preschool through middle school.

**30+ Things to Do with a Hundred Chart**

Are you looking for creative ways to help your children study math? Even without a workbook or teacher’s manual, your kids can learn a lot about numbers. Just spend an afternoon playing around with a hundred chart…

CREDITS: “Sparkling 2019” photo by NordWood Themes on Unsplash.