"Explores methods of solving ratios and proportions word problems using space examples"--Provided by publisher.

Ratios and proportions are good ways to break down and understand really big numbers, and the numbers don’t get any bigger than they do in outer space. This bo

"Explores methods of solving addition and subtraction word problems using animal examples"--Provided by publisher.

Make ratios and proportions word problems easy and fun using facts about space. This fully-illustrated book provides readers with all the tools needed to start