Anne Collin

50 Leveled Math Problems, Level 1

Developed in conjunction with Lesley University, this classroom resource for Level 1 provides effective, research-based strategies to help teachers differentiate problem solving in the classroom and includes: 50 leveled math problems (150 problems total), an overview of the problem-solving process, ...

Vintage Pies: Classic American Pies for Today's Home Baker

Now it’s as easy as pie to make delectable desserts from centuries past From Wet Bottom Shoo Fly Pie to basic American Apple Pie, you’ll find them all—transparent pies such as Butternut Maple; cake pies such as Quakertown Pie; custard pies such as Union Pie; cream pies such as Cherry Cream Pie; and ...

It's All Relative: Key Ideas and Common Misconceptions about Ratio and Proportion, Grades 6-7

For years, students have been taught to cross multiply when presented with proportion problems. Few understood what they were doing or why they were doing it. Rarely were students invited to think about various representations to determine the relationship between the two ratios being compared. The ...

50 Leveled Math Problems Level 5 (50 Leveled Problems for the Mathematics Classroom)

Developed in conjunction with Lesley University, this classroom resource for Level 5 provides effective, research-based strategies to help teachers differentiate problem solving in the classroom and includes: 50 leveled math problems (150 problems total), an overview of the problem-solving process, ...

Zeroing In on Number and Operations, Grades 1-2: Key Ideas and Common Misconceptions

Zeroing In on Number and Operations, Grades 5-6: Key Ideas and Common Misconceptions

Zeroing in on Number and Operations, Grades 7-8: Key Ideas and Common Misconceptions

The Xs and Whys of Algebra: Key Ideas and Common Misconceptions