This set has four grade 2 Kumon workbooks. 1. Grade 2 Addition: Topics Covered in this Book: -Counting, reading, writing and ordering numbers to 120. -Understanding the whole number system -Addition sums beyond 30 -Patterns & sequencing 2. Grade 2 Subtraction: Topics Covered in this Book: -Counting, reading & writing numbers to 100 -Addition review -Two-digit minus two-digit subtraction -Addition & subtraction with three numbers -Patterns & sequencing 3. Grade 2 Geometry & Measurement -Count and skip-count to 100 -Compare and order numbers -Identify, recognize, name, sort and compare basic two- and three-dimensional shapes -Use non-standard units to measure and compare concrete shapes -Coins (penny, nickel, dime, quarter) -Telling time (to the hour and a half hour) 4. Grade 2 Word Problems -Addition and subtraction