### Backwards-Brain Bike

Riding a bike can be easy once you do it for a while. But it took one man 8 months to figure out how to

Riding a bike can be easy once you do it for a while. But it took one man 8 months to figure out how to

You can make art out of just about anything – including guitars and bikes! And there may be more math in it than you realize.

There are world records for everything. But what about the world’s smallest working bike? Read on to do the mini math on this teeny, 12-inch

Add to a 2-Digit Number
Add Single Digits > 5
Subtract Within 20
Compare Numbers < 100
Continue a Pattern
Count By Multiples
Share Equally
Multiply a Single Digit x 2
Factor a Number
Order Numbers By Size
Solve a Multi-Step Problem
Work with Multiples of 10
Add and Subtract Hours
Work with Days and Weeks

Add Multiple 2-Digit Numbers
Add to a 3-Digit Number or More
Divide Into a 2-Digit Number
Multiply Single Digits
Multiply By a 2-Digit Number
Solve a Multi-Step Problem Involving Multiplication
Subtract 2-Digit Numbers
Subtract 3-Digit Numbers or More
Work with Multiples of 100
Calculate Items in a Pattern
Work with Perimeter
Work with Simple Fractions Like 1/2
Work with Hours, Minutes and Seconds
Work with Months, Weeks and Days
Say a Multi-Digit Number in Words