All basic concepts learned in
previous grades are completely reviewed. Place value to billions;
rounding off whole numbers, money, decimals, and mixed numbers;
factoring; multiples; converting measures within the same system;
perimeter and area; geometric ideas and shapes; line graphs, bar
graphs, grids and scale drawings; measurement equations; algebraic
equations with addition, subtraction, multiplication, and division;
three-digit divisors; four-digit multiplication; division of decimals;
fractions as decimals; introduction to percent, decimals with percent,
percent as fractions, and word problems are presented in understandable
ways.