Synopses & Reviews
Synopsis
Each title covers early techniques used to master the number operations, especially addition and subtraction, including spreads on doubling and sharing as precursors to multiplication and division. The first page dealing with each technique provides a simple explanation of that calculation method. This is followed by exercises using that technique, starting with very simple equations.
Synopsis
Young readers will use objects found in everyday life to support their learning of number sense and calculation. This book explains the concept that dividing a number of objects is the same as sharing a number of objects between two people.