Science

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  • 曹冲称象 (Cao Chong Weighs an Elephant)

    By Songju Ma Daemicke

    Our Price: $9.95
    • ISBN-13: 9781607187196
    • Publisher: Arbordale Publishing, LLC
  • 1 Cookie, 2 Chairs, 3 Pears: Numbers Everywhere

    By Jane Brocket

    Our Price: $26.65
    • Format: Library Binding
    • ISBN-13: 9781467702324
    • Publisher: Millbrook Press
    • Published: August 2013
  • 10 Minutes a Day: Math Grade 4

    By Inc. Dorling Kindersley

    Our Price: $9.99
    • Format: Paperback
    • ISBN-13: 9781465402295
    • Publisher: Dk Pub
    • Published: April 2013
    Young learners learn best when activities last five to ten minutes, before they drift off-task. The 10 Minutes a Day series takes this research to heart, providing quick math exercises for children — perfect for those time-to-fill moments at home, and based on one of the best and most effective learning strategies: little and often. Each book includes a ten-minute timer, beat the clock exercises, and easily photocopied pages, as well as tips, guidance, and answers for parents. In order to align with the Common Core State Standards, in 10 Minutes a Day: Math Fourth Grade children can develop an understanding of multi-digit multiplication, addition and subtraction of fractions with common denominators, understand concepts of angles, solve word problems, and more to build math skills.
  • 10 Minutes a Day: Math Grade 5

    By Inc. Dorling Kindersley

    Our Price: $9.99
    • Format: Paperback
    • ISBN-13: 9781465402301
    • Publisher: Dk Pub
    • Published: April 2013
    Young learners learn best when activities last five to ten minutes, before they drift off-task. The 10 Minutes a Day series takes this research to heart, providing quick math exercises for children — perfect for those time-to-fill moments at home, and based on one of the best and most effective learning strategies: little and often. Each book includes a ten-minute timer, beat the clock exercises, and easily photocopied pages, as well as tips, guidance, and answers for parents. In order to align with the Common Core State Standards, in 10 Minutes a Day: Math Fifth Grade children will learn to write and interpret numerical expressions, classify two-dimensional figures based on their properties, convert like measurement units, graph points on a coordinate plane and more to build math skills.
  • 10 Minutes a Day: Math, Grade 3

    By Deborah Lock

    Our Price: $9.99
    • ISBN-13: 9781465417176
    • Publisher: DK Publishing (Dorling Kindersley)
  • 10 Things I Can Do to Help My World

    By Melanie Walsh

    Our Price: $8.99
    • Format: Paperback
    • ISBN-13: 9780763659196
    • Publisher: Candlewick Pr
    • Published: March 2012
    Reveals simple actions people can take to help conserve the world's resources, including turning off the television after watching it, walking to school, and shutting off lights when leaving a room.
  • 10,000 Addition Problems Practice Workbook: Improve Your Math Fluency Series

    By Chris Mcmullen

    Our Price: $7.50
    • Format: Paperback
    • ISBN-13: 9781448611041
    • Publisher: Createspace Independent Publishing Platform
    • Published: July 2009
    AUTHOR: Chris McMullen earned his Ph.D. in physics from Oklahoma State University and currently teaches physics at Northwestern State University of Louisiana. He developed the Improve Your Math Fluency series of workbooks to help students become more fluent in basic math skills.CONTENTS: This practice book is designed to help students develop proficiency with their addition skills by offering ample practice. This book is conveniently divided up into five parts:Part 1 reviews single-digit addition facts since swift knowledge of these is critical toward addition mastery.Part 2 is limited to two-digit numbers plus one-digit numbers. This way students are not challenged with too much too soon.Part 3 focuses on two-digit plus two-digit addition.Part 4 involves three-digit numbers.Part 5 features a variety of multi-digit addition problems.An introduction describes how parents and teachers can help students make the most of this workbook.An addition table is provided to help students who are just learning their addition facts.PRACTICE: This is a practice workbook geared toward practicing problem-solving skills. As such, it consists of worksheets with practice problems in the spirit of old-fashioned practice sheets. This is suitable for students who need to practice basic skills, and is effective for many students. It is not one of the modern math textbooks that are designed to entertain bored students.PHOTOCOPIES: The copyright notice permits parents/teachers who purchase one copy or borrow one copy from a library to make photocopies for their own children/students only. This is very convenient if you have multiple children/students or if a child/student needs additional practice.
  • 10,000 Subtraction Problems Practice Workbook: Improve Your Math Fluency Series

    By Chris Mcmullen

    Our Price: $7.50
    • Format: Paperback
    • ISBN-13: 9781448611782
    • Publisher: Createspace Independent Publishing Platform
    • Published: July 2009
    AUTHOR: Chris McMullen earned his Ph.D. in physics from Oklahoma State University and currently teaches physics at Northwestern State University of Louisiana. He developed the Improve Your Math Fluency series of workbooks to help students become more fluent in basic math skills.CONTENTS: This practice book is designed to help students develop proficiency with their subtraction skills by offering ample practice. This book is conveniently divided up into five parts:Part 1 reviews subtraction facts with single-digit minuend and difference since swift knowledge of these is critical toward subtraction mastery.Part 2 is limited to two-digit numbers minus one-digit numbers. This way students are not challenged with too much too soon.Part 3 focuses on two-digit minus two-digit subtraction.Part 4 involves three-digit numbers.Part 5 features a variety of multi-digit subtraction problems.An introduction describes how parents and teachers can help students make the most of this workbook.An addition table is provided to help students who are just learning their subtraction facts.PRACTICE: This is a practice workbook geared toward practicing problem-solving skills. As such, it consists of worksheets with practice problems in the spirit of old-fashioned practice sheets. This is suitable for students who need to practice basic skills, and is effective for many students. It is not one of the modern math textbooks that are designed to entertain bored students.PHOTOCOPIES: The copyright notice permits parents/teachers who purchase one copy or borrow one copy from a library to make photocopies for their own children/students only. This is very convenient if you have multiple children/students or if a child/student needs additional practice.
  • 100 Addition Practice Worksheets Arithmetic Workbook with Answers: Reproducibletimed Math Drills: Adding Multidigit Numbers

    Our Price: $7.95
    • Format: Paperback
    • ISBN-13: 9781468134049
    • Publisher: Createspace Independent Publishing Platform
    • Published: December 2011
    This workbook contains 100 addition worksheets. Each worksheet has 20 to 35 problems. Exercises vary from 2-digit numbers added to 1-digit numbers to 4-digit numbers added to 4-digit numbers. Each worksheet has designated room at the top for students to write their names and for teachers or parents to record the score and time. All of the exercises are numbered for easy reference. All of the answers are tabulated in the back of the book, also with numbers so that teachers or parents can easily check the solutions. The problems are written with a size 14 font and the digits have a little space between them in order to provide room for students to write and line their numbers up with the problems. The copyright notice allows teachers and parents who purchase this book to reproduce selected worksheets for their own students and children.
  • 100 Days of Cool

    Our Price: $5.99
    • Format: Paperback
    • ISBN-13: 9780060001230
    • Publisher: HARPERCOLLINS
    • Published: January 2004
    Four students arrive on the first day of school looking cool and their teacher challenges them to keep it up as they count down one hundred days to a cool celebration.
  • 100 Greatest Science Inventions of All Time

    By Kendall Haven

    Our Price: $45.00
    • Format: Oversize Paperback
    • ISBN-13: 9781591582649
    • Publisher: Libraries Unlimited
    • Published: December 2005
    Discover the "who", "what", "when", and "how" of 100 amazing inventions.
  • 100 Most Popular Scientists for Young Adults: Biographical Sketches and Professional Paths

    By Kendall Haven

    Our Price: $68.00
    • Format: Hardcover
    • ISBN-13: 9781563086748
    • Publisher: LIBRARIES UNLIMITED INC
    • Published: July 1999
    Revealing the career histories of successful 20th century scientists, this exciting resource offers students fascinating profiles, a wonderful research tool, and words of advice from great scientists on launching a science career. Much more than a collection of biographies, this is an inspiring and practical tool for students interested in science careers. INSIDE: Jacques Cousteau, Dian Fossey, Stephen Hawking, Margaret Mead, Sally Ride, Carl Sagan, and more.
  • 100 Multiplication Practice Worksheets Arithmetic Workbook with Answers: Reproducible Timed Math Drills: Multiplying Multidigit Numbers

    By Anne Fairbanks

    Our Price: $7.95
    • Format: Paperback
    • ISBN-13: 9781468141870
    • Publisher: Createspace Independent Publishing Platform
    • Published: December 2011
    This workbook contains 100 multiplication worksheets. Exercises vary from 2-digit numbers times 1-digit numbers to 3-digit numbers times 3-digit numbers. Each worksheet has designated room at the top for students to write their names and for teachers or parents to record the score and time. All of the exercises are numbered for easy reference. All of the answers are tabulated in the back of the book, also with numbers so that teachers or parents can easily check the solutions. The problems are written with a size 14 font and the digits have a little space between them in order to provide room for students to write and line their numbers up with the problems. The copyright notice allows teachers and parents who purchase this book to reproduce selected worksheets for their own students and children.
  • 100 Natural Wonders of the World

    By Bill Yenne

    Our Price: $7.95
    • Format: Paperback
    • ISBN-13: 9780912517155
    • Publisher: Scb Distributors
    • Published: April 1995
    Presents brief accounts of natural phenomena throughout the world, ranging from the auroras to the great fungus in Michigan, the world's largest living thing, and including islands, deserts, mountains, rivers and lakes, and other locations
  • 100 Scariest Things on the Planet

    By Anna Claybourne

    Our Price: $7.99
    • Format: Paperback
    • ISBN-13: 9780545374446
    • Publisher: Scholastic Paperbacks
    • Published: September 2011
    Presents information about scary things and events, both real and imaginary, including alien encounters, deadly creatures, and real-life monsters.

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