Go to Book List Cool Math Links Online Activities Web Activites Technology Links Grade 1   Chapter 1: Numbers to 20 Number Tails Chapter 2: Addition Concepts Airplane Addition Chapter 3: Addition Strategies and Facts to 12 Sporty Sums Chapter 4: Subtraction Concepts Silly Subtraction Story Chapter 5: Subtraction Strategies and Facts to 12 City Sights Chapter 6: Data and Graphs Everyone Counts! Chapter 7: Place Value and Patterns Yummy Numbers Chapter 8: Money Counting Coins Chapter 9: Addition and Subtraction Strategies and Facts to 20 Crawling Calculations Chapter 10: Time Time for Fun Chapter 11: Measurement Sand, Sun, and Sizes Chapter 12: Geometry Busy Shapes Chapter 13: Fractions Food Fractions Chapter 14: Add and Subtract 2-Digit Numbers How Does Your Garden Grow?