Express Review Guide: Basic Math and Pre-Algebra

I bought this book for our daughter in 5th grade. It is a very good review book, and learning book as well. She used the examples, with our help, learned a lot of math skills. It reviews fractions and mixed number, decimals, percentages, signed numbers, introducing algebra, geometry and measurement conversions, ratios, proportions. Following a couple of examples, there are some practice problems. The examples are very clear, good enough for a smart 8-9 year old to follow. We only wish there were a few more practice problems in each category. Some "repetitive" problems might be necessary, esp. if the topic is difficult, like "introduing algebra".