This book covers beginning mathematics including Numbers that Add to 7 Circles Ellipses Reading 6:00 on a Clock 5 + ? = 7 Days of the Week Leap Years Spelling February 15 Degrees Below Zero (-15º) Counting by Fives 3x + 4x = 7x ante meridiem (a.m.) One Million Squares The "There Are Zero . . ." Game Sets the Popularity of Zero Triangles ? (not equal) x + 4 = 7 One Thousand Counting by Hundreds Reading 3:05 on a Clock Rectangles. and much more . . .