The weekly themes in grade 4 present a wide variety of topics - school supplies, swimming, astronomy, sharks, weather. Math skills practiced include: addition and subtraction facts, multiplication and division facts, multi-digit addition and subtraction with and without regrouping, multiplication with and without regrouping, division with and without remainders, telling time, money, fractions, reading and interpreting graphs and charts, estimation, logic problems. 112 pages. by Doug Wurst and Jo Ellen Moore