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.

In this arrays 101 workbook, we explore and practice concepts like multiplication, repeated addition, factors, and products — all using arrays!

Set your child’s foundation for the math covered in upper grades by helping her master the patterns, tables and shortcuts involved in multiplication. This book covers basic to intermediate exercises.