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A fundamental principle of "Math Trailblazers" is that mathematics is best learned through active involvement in solving real problems. Questions a student can answer immediately may be worthwhile exercises, but problems, by definition, are difficult. Perhaps the biggest difference between "Math Trailblazers" and traditional mathematics programs is the pervasive emphasis on problem solving. While using "Math Trailblazers", you will be amazed as your students become powerful thinkers! They will know how and when to apply the ...

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The Doorbell Rang 1989, Greenwillow Books, New York, NY

ISBN-13: 9780688092344

Trade paperback

The Doorbell Rang 1989, Turtleback Books, New York, NY

ISBN-13: 9780833530608

Bound for Schools & Libraries edition

Hardcover

The Doorbell Rang 1989, Perfection Learning, New York, NY

ISBN-13: 9780812477269

Hardcover

Doorbell Rang 1989, Turtleback Books

ISBN-13: 9780606042031

Turtleback School & Library edition

Hardcover

The Doorbell Rang 1986, Greenwillow Books, New York, NY

ISBN-13: 9780688052515

Hardcover

The Doorbell Rang 1986, Greenwillow Books, New York, NY

ISBN-13: 9780688052522

Hardcover

Doorbell Rang 1948, Scholastic

ISBN-13: 9780590411097

Trade paperback