Math Mammoth Grade 3-B worktext (Light Blue Series) is the student book for the second half of third grade math.
In this part B, the main areas of study are:
* place value (4-digit numbers)
* the concept of division and basic division facts;
* geometry (area and perimeter);
* measurement;
* and fractions.
A companion to this book, Math Mammoth Grade 3-A worktext, covers the first half of 3rd grade math (available separately at Lulu). Also available are the answer keys and a book containing cumulative reviews and chapter tests.