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Mathfinder: The Ghost in the Ruby (easy addition/subtraction)

Mathfinder: The Ghost in the Ruby (easy addition/subtraction) is rated 4.8 out of 5 by 15.
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$ 12.95

Chasing a red bird through the park, you are suddenly transported to a mysterious forest. All you want to do is find your way home, but each step of y ...read more

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Product Details

Chasing a red bird through the park, you are suddenly transported to a mysterious forest. All you want to do is find your way home, but each step of your search sinks you deeper into the mystery of The Ghost in the Ruby. This intriguing story is a totally engaging new way to build arithmetic skills. The clever mystery is filled with math problems; solve the equations to work your way along the pathway that runs through the book, bringing you one step closer to solving the riddle at the end!

Click to learn more about the Mathfinder series!
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Age Recommendation: Ages 8 and up

Item Number:

68219

Product Specs

Ratings & Reviews

Rated 5 out of 5 by from My daughter loved this My daughter complains about math all the time, she just loved these. As a matter of fact she worked on them until she completed them all. Would highly recommend these.
Date published: 2018-01-03
Rated 5 out of 5 by from Huge hit My 7 yr old son who loves math challenges is obsessed with this set of books! He’s sad bc he’s about to finish the fourth and final one.
Date published: 2018-01-03
Rated 5 out of 5 by from Such a neat concept! My seven year old has been working on this and loves it. Fun story line, and appropriate math challenges. He needed a little help to get started, but once he did, he took off!
Date published: 2017-08-01
Rated 4 out of 5 by from Not your basic math book I got this workbook for my 8 year old. The first day I got it I told him he needed to do 2 pages but he was enjoying it so much he wanted to do more. What I like about the book is the pages get harder as you go. The answer keys are in the back of the book so you will want to make sure your child doesn't see that!
Date published: 2017-07-30
Rated 4 out of 5 by from Summer math follow up This was great for my son to keep up with his math skills over the summer, while school is out. Working through a maze is a fun twist to basic addition and subtraction. The only problem is that my son got bored of it.
Date published: 2017-07-27
Rated 5 out of 5 by from Surprised by how much my son loved this one. I wasn't sure if this would be age appropriate for my 7.5 year old, since he's very advanced in math for his age and finding things that he will actually do happily can be tricky. I was pleasantly surprised that not only was this workbook very well made, but he found it fun and challenging as well. While he found it challanging, he didn't find it frustrating at all, the rules were very simple to follow. The puzzles progressively get a little harder throughout the book and really help fine tune those addition and subtraction skills, even for those who already have a pretty good understanding of those basic skills. I will definitely be buying more of these books!
Date published: 2017-07-27
Rated 4 out of 5 by from It took a little figuring out, but now it's a hit My daughter loves puzzles so I thought we'd give this a try. It was a little challenging to wrap her mind around the open nature of its format, but now that she's done a few, she's on a roll and thinks it is great! Very fun for kids who love puzzle solving!
Date published: 2017-07-24
Rated 5 out of 5 by from Great for summer This was great for my son to keep up with his math skills over the summer, while school is out. Working through a maze is a fun twist to basic addition and subtraction.
Date published: 2017-07-24
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