Number sense

by Barbara J. Reys

This four-book series is designed to promote thinking and reflection about numbers, leading students to develop a strong foundation in number sense. Students in primary through middle grades will explore patterns, develop mental-computation skills, understand different but equivalent representations, establish benchmarks, recognize reasonableness, and acquire estimation skills. Each book provides sections that explore the major components of number sense: Mental Computation Estimation Relative Size Multiple Representation Number Relationships Reasonableness The 10-minute activities...