Dominos make excellent math manipulatives, and we use them frequently in our homeschooling. There are lots of different games that can be played with them and in the process of playing the games a preschool child can start to recognize patterns like that nine is three groups of three or that two odd numbers added together make an even number.

When I play dominos with my four year old we talk about the dots as though they could move. We have four and two. What if one of the dots on this side moved over to that side? What would we have then?

Here are the rules to a few of the games we’ve been playing recently.

## Lonely Domino

Start with all the dominos face up. Choose one domino and announce that is lonely and wants to join up with one or more dominos whose number of dots total up to eight. Once the child has found an appropriate domino or pile of dominos, place them next to the first domino and announce that the new domino (or pile of dominoe) is lonely and wants to find one or more friends with dots totaling up to twelve. Keep naming off different numbers, occasionally repeating numbers so that the child can see that there are more than one way to create the appropriate number. Keep an eye on which dominos are left and which numbers can be formed.

## Domino War

Play just like the card game war, but flipping dominoes instead of cards. Encourage the child to guess who has the higher number before naming the number. You can both flip one domino, or you can flip two at a time adding them together before comparing the total with the other player’s. You can also incorporate subtraction into the game. Flip a single domino and subtract the smaller side from the larger side before comparing the difference with your opponent’s.

## Which is missing?

Take two dominos. Announce the total number of dots and then show the child one of the dominos. Ask how many dots must be on the other domino. Then let the child have a turn taking two, totaling them and asking you which number must be on the missing dominos. If you can keep it casual enough you can challenge the child to figure out what possible combinations of dots there are that would make up the missing number.

## Domino collections

Lay all the dominos out face down. Take turns removing dominos and recording the number of dots. With an older child just use a sheet of paper and count up the dots. With a younger child use an abacus or write the number of dots with tallies – four lines with the fifth going across, and two sets of five per row. Practicing with tallies or an abacus helps the child to recognize ten, twenty, thirty, etc as being groups of tens, and it helps give practice at recognizing patterns like if you have seven (five and two) already out, you need three more to finish up the row of ten.

## I’m thinking of a domino that….

Lay all (or a handful) of dominoes face up. Choose which one will be your secret domino but don’t announce it out loud. Give clues such as “one side of the domino has twice the number of dots as the other does” or “the domino has a total number of dots less than 8” or “one side of the domino has an odd number of dots, the other has an even number.” For each clue, encourage the child to remove all the dominoes that do not meet the criteria.

Then switch players and let the child think up enough clues for you to figure out his or her secret number. The challenge of thinking up clues is a great one.

## What’s my rule?

Another way to reverse the previous game is to think up a rule and without announcing what the rule and start sorting the dominos according to that rule. You can allow the child to join in with their guesses or just ask him or her to wait until you’re finished. Then ask the child what they think the rule is? What does your group of dominos have in common that the others do not have?

Also, check out some of my other posts on homeschooling games.

• ### Malke

These are all great ideas and I’m looking forward to Part 2! I will be sharing this post over at the Math in Your Feet Facebook page. I’m inspired by all the different math games you create — I just made up a really cool dominoes-like game that I’ll be posting very soon.

• ### christyk

Thanks for the sharing my post! I’ll be watching for your game. Also, I’m hosting the Math Teachers at Play Blog Carnival next week, and I was hoping to link to one of your posts. Do you have a favourite you’d like me to share?

• ### Malke

Oh, thanks! I just sent in two submissions via the form on Let’s Play Math. One is the new Factor Dominoes game post (just up today) and the other one is called Hip, Hip, Array. If I had to choose, I think the factor game would be my first choice. Thanks for hosting the carnival — I’m sure it’s a bunch of work, but always fun and inspiring to read. 🙂

• ### Stef Layton

these are great ideas – thanks for linking up to tactile tuesday!

• ### Ness @ One Perfect Day

These are great ideas. We love playing with dominos and we’re always on the look out for new game ideas. Thanks for linking up to The Weekly Kids Co-op. I’ve pinned this.

• ### christyk

Thanks! I linked my Origami Christmas Stars to the Christmas ideas linky.

• ### Lauralee

Thanks so much for linking up at Switching Classrooms. I’ve pinned this so I don’t forget it! We have dominoes, and I’ve never thought to do this. Thanks for great ideas!

• ### Candi

My kids love dominoes, I didn’t think they would but I got a set and my son played many afternoons.

• ### Risa

Great ideas! We have dominoes and now we have more things to do with them!

• ### Christy Knockleby

Thanks for pointing that out. I will leave some of the sentence fragments in the text when I’m trying to represent what I would say to a child while playing the game, but I’ll correct a few of the errors.

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