미국초등교과서 『Harcourt Math Grade 4』 학생용 책 (2007년판). Harcourt Math는 단계별로 완벽하고 이해하기 쉽게 짜여진 수학 프로그램으로, 수학의 개념을 완벽하게 파악하고 스킬을 능숙하게 가다듬을 수 있도록 내용을 구성하였다. Harcourt Math에서는 무엇보다도 핵심 스킬의 지도에 초점을 맞추었으며, 예문과 연습 문제를 풍부하게 수록하였다. (Hardcover/영어원서/컬러판/가로 22.3cm x 세로 28.3cm) UNIT 1 Understand Whole Numbers and Operations 1. PLACE VALUE AND NUMBER SENSE 2. COMPARE AND ORDER WHOLE NUMBERS 3. ADD AND SUBTRACT WHOLE NUMBERS 4. USE ADDITION AND SUBTRACTION UNIT 2 Time, Data, and Graphing 5. UNDERSTAND TIME 6. COLLECT AND ORGANIZE DATA 7. ANALYZE AND GRAPH DATA UNIT 3 Multiplication and Division Facts 8. PRACTICE MULTIPLICATION AND DIVISION FACTS 9. USE MULTIPLICATION AND DIVISION FACTS UNIT 4 Multiply by 1- and 2- Digit Numbers 10. MULTIPLY BY 1-DIGIT NUMBERS 11. MULTIPLY BY TENS 12. MULTIPLY BY 2-DIGIT NUMBERS UNIT 5 Divide by 1- and 2-Digit Divisors 13. UNDERSTAND DIVISION 14. DIVIDE BY 1-DIGIT DIVISORS 15. DIVIDE BY 2-DIGIT DIVISORS 16. NUMBER THEORY UNIT 6 Geometry and Algebra 17. LINES, RAYS, AND ANGLES 18. PLANE FIGURES 19. MOTION GEOMETRY 20. EXPLORE NEGATIVE NUMBERS AND GRAPHING UNIT 7 Fractions and Probablility 21. UNDERSTAND FRACTIONS 22. ADD AND SUBTRACT FRACTIONS AND MIXED NUMBERS 23. OUTCOMES AND PROBABILITY UNIT 8 Measurement and Decimals 24. CUSTOMARY MEASUREMENT 25. METRIC MEASUREMENT 26. UNDERSTAND DECIMALS 27. ADD AND SUBTRACT DECIMALS UNIT 9 Perimeter,Area, and Volume 28. PERIMETER OF PLANE FIGURES 29. AREA OF PLANE FIGURES 30. SOLID FIGURES AND VOLUME Student Edition offers models, examples, and practice to enhance conceptual development and skill proficiency.