Presents an activity introducing probability and patterns to multigrade students. Uses the storybook "The Thirteen Days of Halloween" to demonstrate numbers, patterns, and probability. (ASK)

This book contains a collection of division lessons that support curriculum and instruction. It is expected that 3rd and 4th grade students will establish a firm foundation of understanding and skills in division. The lessons address broader goals of division instruction and are aimed at supporting students' growth toward proficiency based on…

This book contains a collection of multiplication lessons that support curriculum and instruction. The goals of the lessons are to give all students the chance to learn how to mentally multiply by 10, powers of 10, and multiples of 10; use the distributive property to calculate products; use paper and pencil to record thinking when solving…

Arithmetic is the major focus of elementary mathematics instruction. This book contains a series of lessons designed to meet the goals of place value instruction and give students a rich understanding of how the number system works. Topics include counting larger numbers in two or more ways, recognizing that the number of objects in a group…

Algebra is one of the top priorities of mathematics instruction for the elementary and middle grades. This book is designed to help 3-5 teachers meet the challenge of making algebra an integral part of their mathematics instruction and realize both what to teach and how to teach central algebraic concepts. Classroom-tested lessons help teachers…