This book provides a variety of activities designed to provide practice in place value and in addition with and without regrouping. Place value is the value given to the position (or place) in which a digit appears in a number. In 283, the value of 3 is 3 ones, the value of 8 is 8 tens or 80, and the value of 2 is 2 hundreds or 200. Regrouping is a procedure used in manipulating place value systems in both addition and subtraction. We use 10 ones...