Math Topic II. Extending the Meaning of Multiplication and Division °ö¼À°ú ³ª´°¼À ¿Ï¼ºÇϱâ Lesson 6. Education is too expensive ±³À°ºñ°¡ ³Ê¹« ºñ½Î¿ä Lesson 7. Science is exciting °úÇÐÀº Èï¹ÌÁøÁøÇØ¿ä Lesson 8. Kids can earn money, too ¾ÆÀ̵鵵 µ·À» ¹ú ¼ö ÀÖ¾î¿ä Lesson 9. Go for sports! ¿îµ¿ÇÏ·¯ °¡¿ä!
Math Topic III. Numeration and Mathematical Terminology ±â¼ö¹ý°ú ¼öÇÐ ¿ë¾î Lesson 10. The base ten system can be easy ½ÊÁø¹ýÀº ½¬¿ö¿ä Lesson 11. Oh, boy, it's time for ROUNDING! ¿Í, ¹Ý¿Ã¸²ÇÒ ½Ã°£ÀÌ¿¡¿ä! Lesson 12. Write number sentences ¼ö½ÄÀ» ¾²¼¼¿ä Lesson 13. What is the probability of a penny landing on heads? µ¿Àü ¾Õ¸éÀÌ ³ª¿Ã È®·üÀº ¾ó¸¶Àΰ¡¿ä?
Math Topic IV. Fraction Computation ºÐ¼öÀÇ °è»ê Lesson 14. Have fun with fractions! ºÐ¼ö¿Í ½Å³ª°Ô ³î¾Æ¿ä! Lesson 15. Fraction times fraction ºÐ¼ö¿¡ ºÐ¼ö¸¦ °öÇϼ¼¿ä Lesson 16. Rate, ratio and proportion--I am mixed up! ºñÀ², ºñ, ºñ·Ê--Çò°¥·Á¿ä! Lesson 17. Great things come from the school ÁÁÀº ÀÏÀº Çб³¿¡¼ ½ÃÀ۵ſä Lesson 18. Amazing school activities ¸ÚÁø Çб³ È°µ¿
Math Topic V. Geometry ±âÇÏÇÐ Lesson 19. Understand basic ideas in geometry ±âÇÏÇÐÀÌ ¹»±î¿ä? Lesson 20. Area and perimeter are meant for each other ¸éÀû°ú µÑ·¹´Â õ»ý¿¬ºÐÀÌ¿¡¿ä Lesson 21. Let's try the symmetry quiz ´ëĪ¿¡ °üÇÑ ¹®Á¦¸¦ Ç®¾î ºÁ¿ä Lesson 22. How wide the polygon is! ´Ù°¢ÇüÀº Á¤¸» ´Ù¾çÇØ¿ä!
Math Topic VI. Number Theory Á¤¼ö·Ð Lesson 23. Numbers are astounding to count! ¼ýÀÚ´Â ³î¶ó¿ö¿ä! Lesson 24. What are GCF and LCM? ÃÖ´ë°ø¾à¼ö¿Í ÃÖ¼Ò°ø¹è¼ö°¡ ¹»±î¿ä? Lesson 25. We can solve the brainteasers ¿ì¸° ¾î·Á¿î ¹®Á¦µµ Ç® ¼ö ÀÖ¾î¿ä