When Olympic swimmer Michael Phelps won a race by .01 of a second, we saw how significant a hundredth of a second can be! This series offers practice with decimals to build a solid understanding of the place value system.

Your child may be able to read a clock, but what about the passage of time? This workbook is all about elapsed time, and how to both estimate and calculate how much time has passed in between hours.

Building a good vocabulary is an important step in becoming a great writer. Here are 17 awesome vocabulary and spelling lists that can help your child grow into a well-spoken scholar.