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Audio Memory offers math audio tapes and CDs for practicing "Math Facts" in Addition, Subtraction and Multiplication. (Sold separately from each other). These are Math drills set to music (of the synthesized variety). Although these make for an easy memorization aid, I found the songs almost unbearably sappy. (My children did like them though.)

If you're looking for a way to liven up your math program or to bring in some painless math review you have to pick up this book. Catholic Math Activities provides dozens of math games that children actually enjoy playing and almost all of them only require dice and simple home-made material. The author makes use of children's interests by revolving the games around things such as baseball cards and animals. What really pleased me about this program is the clever way our Catholic faith was brought into these games. Some of the games revolve around a short story involving our faith, bible stories (e.g. Noah's Ark and 2 by 2) and simple Catholic sayings to name a few. I was especially delighted that this book provides games for such a wide range of ages and with a text that is simple enough that an older sibling can read the instructions and then go on to play the game with the younger child. Topping off the program are 40 nicely hand-drawn illustrations of saints. Each saint is accompanied with a short biography and math problems which, when solved, give the child information as to how the picture should be colored. This is definitely a new twist on color by number and one that my children have enjoyed.

What fun! Doing Simple Math in Your Head compiles all sorts of amazing mathematical tricks into one diaper-bag-sized book, ready for those odd moments spent in waiting rooms and restaurants. Have you ever needed to figure a tip quickly, without resorting to writing on the napkin? Have you ever wondered how others can convert fractions to decimals so quickly? Have you ever worried that your receipt was not computed correctly but didn't have a calculator available to check it quickly? After working through this book, you will have an arsenal of tricks available to do these things in your head, quickly and accurately.

According to Mr. Howard, "being able to do problems in your head is basically being able to simplify. When you can do that, the rest is easy." He leads us through three chapters, elegantly and simply teaching us how to look at things differently so that they become easier. The book begins with an Introduction that describes how these methods are different from what we learned from our schoolbooks. This is followed by three chapters titled "Making Things Easier", "Problems and Solutions", and "Background: Basic Arithmetic". The book closes with an Index and a Glossary of technical "math" words that are not necessarily used in the book but which should be understood. The book is organized with subtitles at the top of each page, allowing you to skim quickly to find the topic you need or to browse until you find an interesting topic to study. Spending a few hours practicing the techniques taught in this book will make practical, everyday math much easier!

The Dot and the Line is a funny little picture book for kids and adults. It's a humorous allegory about a straight line who falls in love with a dot. Unfortunately the dot loves the more free-spirited squiggle and the straight line nears despair. He tries to rejoice in his wonderful uses (illustrated in creative and humorous ways) but is still frustrated by his lack of creativity and spontaneity. He finally discovers...

Well, I don't want to spoil it for you, but it's a fun little book that packs quite a bit of philosophical punch. Though it's not quite as involved, expect some of the same word plays and humor as the author's most famous book: The Phantom Tollbooth.

Great Estimations is an eye-popping introduction to the art of, or perhaps the science of, mathematical estimation. Bold colors and clear photographs are used to demonstrate simple, concrete approaches to an abstract mathematical concept. Penguins and pennies. Jelly beans and elbow macaroni. Plastic shoes and paper clips. Practice the techniques for eye training and the methods for clump counting and box counting. Then you can estimate how many of them there are - maybe before your young student does! If you get stuck, use the hint box at the bottom of the page for suggested methods, answers, and applications. This is a winning addition to your living math bookshelf!

This book is very good at what it does. However, you have to read the introduction to find out what it does. It is NOT a math textbook. And it is NOT a math program. You'd have to be a real geek to read it cover to cover. This is full of 1 (sometimes 2) page math things of all sorts. Little vignettes into the world of math. As such it introduces the reader to a number of things that he might not otherwise encounter. In fact, I am an engineer (lots'o'math) and I saw new and interesting things in here! Some of these are little games (answers in the back). Some are just fun to look at and ponder (many geometric things are this way). Some include little histories of a problem or mathematician.

What this book will probably do at some point is lead you to investigate some of these math ideas more deeply elsewhere. This is good! It sparks a good kind of excitement and wonder about math that everyone should be happy to experience now and then. Therefore, adult readers and capable children (decent readers but not necessarily good or enthusiastic about math) should both enjoy picking up this book a few times a week. For this reason this would be an excellent bathroom book.

I have long been a fan of the poems for two voices books by Paul Fleischman. This book puts a twist on the idea by covering math topics in poems. It's a really unique and engaging way to memorize a math concept, reciting it as a poem. A poem for two voices is a poem recited by two people where sometimes the same words are said in tandem, sometimes alternately, and sometimes, the speakers speak at the same time saying different things.

Here is a sample of part of a poem from the book: (The first column is the first speaker and the second column, the second - shown smaller than actual size)

Some of the math concepts in the poems are fairly simple ideas that would pertain to a grammar school student, however most of the ideas are for middle schoolers or high schoolers. There were a few math concepts I had never heard of, such as fractals, (the geometry of nature), Fibonacci numbers (adding the last two numbers in a series to give the next number), and Mobius strips (circular strip with a twist in it).

While you don't learn everything you need to know about the math concepts in the poems, you get an introduction to the idea and the basic or interesting facts. For tessellations, the reader learns that not all figures tessellate; for triangles, the reader learns that the angles in the figure must equal 180 degrees. Some of the accompanying illustrations are also instructive. I could not have visualized the Mobius strip without the drawing of it.

This is a fun way to talk about these concepts. Trying to say the poems as a team takes a lot of concentration and brings a lot of laughs along the way. The book would make a great addition to a living math program or be a nice break from a formal textbook program.

Recommended for grades 4-12

Audio Memory offers math audio tapes and CDs for practicing "Math Facts" in Addition, Subtraction and Multiplication. (Sold separately from each other). These are Math drills set to music (of the synthesized variety). Although these make for an easy memorization aid, I found the songs almost unbearably sappy. (My children did like them though.)

Audio tape designed to help children with some addition "math facts" and with skip counting as a preparation for multiplication further down the road. Simple songs are sung without accompaniment to familiar tunes. The tunes are rather catchy and we find ourselves regularly singing them around the house. (Such as the "9s" - 9, 18 and 27, 36 and 45, 54 and 63, 72 and 81, nine of them, round the sun, make their orbit one by one, nine of them, round the sun and counting them is fun). One side of the tape includes all of the songs sung by a simple tenor voice. The other side has the same songs played at a faster speed (which sounds something like "Alvin and the Chipmunks" for you Generation Xers.) There is another tape which I haven't reviewed which uses Biblical themes and tunes for the songs.

Audio Memory offers math audio tapes and CDs for practicing "Math Facts" in Addition, Subtraction and Multiplication. (Sold separately from each other). These are Math drills set to music (of the synthesized variety). Although these make for an easy memorization aid, I found the songs almost unbearably sappy. (My children did like them though.)