Time, Money & Fractions (An I Know It Bks) Paperback – Student Edition, 1 Jan. 1993

School Zone Time, Money & Fractions Workbook: 32 Pages, 1st Grade, 2nd Grade, Adding Money, Counting Coins, Telling Time, Ages 6 to 8 (I Know It! Book Series)

School Zone Addition & Subtraction Workbook: 64 Pages, 1st Grade, 2nd Grade, Elementary Math, Sums, Differences, Place Value, Regrouping, Fact Tables, Ages 6-8 (I Know It! Book Series)

School Zone Spelling Puzzles 1-2 Workbook: 64 Pages, 1st Grade, 2nd Grade, Compound Words, Vowels, Consonants, Pronunciation, Writing, Ages 6 to 8 (I Know It! Book Series)