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There is a state of timelessness where the only thing that matters is solving the Aba-Conundrum in front of you.
The joy of vibrant, wooden beads on a shining red abacus… the surprising, “of course!” when realization of the answer presents itself in gliding beads.... the satisfaction of documenting your success with erasable marker. It’s all so good.
Eyes, hands, and mind - all in flow to find the puzzle’s solution. Aba-Conundrums, modeled on use of the traditional Abacus, is a series of math puzzles that will excite, motivate, and intrigue both kids and adults.
Inherent in design of this mathematical manipulative - is practice with place value, logical thinking, computation, even investigations with fractions and prime numbers. Aba-Conundrums is one mathematics toy and tool that you won’t want to miss!
From simple to complex, the 120 Aba-Conundrums puzzle pages are arranged in increasing difficulty. Whether the Aba-Conundrums puzzles are solved solo, with a friend, or in a classroom situation, (reproducible materials included), these math puzzles will be visited and revisited until the mystery of each set of clues is solved.
Shuffle into Logic. Slide into Math. Calculate the Clues!
Aba-Conundrums Abacus & Mathematical Puzzles
Mathematical puzzles based on the abacus
Fascinating, mind challenging activity
Builds proficiency in logic & deductive reasoning
Provides practice with place value, computation, fractions, prime numbers
120 puzzling Aba-Conundrums ordered from easy to most difficult
High quality wooden abacus with sliding wooden beads
Brilliantly painted red, yellow, and blue components
Highly durable write-on/ wipe-off puzzle book
Reproducible information included for classroom use
(Make copies of abacus template & laminate, provide seeds or buttons.)
Fully safety tested
The easiest: Clue 1: the 10's place digit is a 6. Clue 2: the 1's and 10's places have the same number of beads. Clue 3: The 1's and 10's digits are not the same.
The most challenging: Clue 1: There are twice as many upper beads as lower beads. Clue 2: The number is less than 500,000. Clue 3: The first and last digits are the same.
As one of the top online toy retailers, we have access to unprecendented quantities of product review data. One of the key ways that we use this data is by associating our products to the specific ages and genders of the kids who are playing with them. Whereas most retailers must rely upon manufacturer suggested ages (i.e. 3+), we take actual customer usage and share it with you here so that you can choose the perfect toy or game.
But how does this help me? You can use these graphs as a general measure of it's appropriateness for a given age and gender. While this information is generally accurate, it should not be used as an absolute answer. For instance, many dinosaur toys are purchased for boys, however, that doesn't mean that it's inappropriate for a girl who happens to like dinosaurs.
NOTE: The orange color in the charts above indicate ages that are LESS than the manufacturer suggested age. Please purchase at your discretion if your child is younger than 9 years of age.
Purchased to assist a 9 year old in understanding math. The relationship between understanding math and using this device was obscure for us. The item was returned.
We gladly assisted. If your satisfaction doesn't prove exceptional, contact us! Our customer service crew takes pride in adding to your joy, subtracting your worries, multiplying your good experiences, and dividing things like cupcakes. Please visit the Returns & Exchanges center for details.
I like this product. It provides my child with a math challenge she does not get in school. She will pick it up and do 1 or 2 puzzles every so often and then come back in a day or so. I think it will be used for next few years as her abilities grow.
Information about Aba-Conundrums
Posted 8/3/2010 by WILBUR BOOTH
Grandson enjoyed this as much, or more, than his Legos. He is 10 years old and in advanced placement classes. This fit the bill for his analytical skills and problem solving tendencies. He loves challenge and this presented one. Interestingly, it opened up a whole new range of activities he could create. At dinner, without the game, he used the concept to create a "problem" for his Dad to solve. His Dad then created one for him.
A rating of Aba-Conundrums
Posted 7/8/2010 by Ronald Knarr
An instruction manual that showed how the product could be used for doing basic math functions would have helped I believe. If the product could be used for higher functions an explanation of how that is done would have been good.
The nature of this product is to provide fun math & logic puzzles to stretch your thinking. Please note that Aba-Conundrums is not intended to teach how to add, subtract, multiply, and divide on the abacus. Although it can certainly be used for that purpose by incorporating abacus information readily available in many books and on the internet. We promise to keep your trust in offering products that are especially unique. If any Fat Brain Toy is different than expected, we will slide right in to help. Please visit the Returns & Exchanges center for details.
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