Written addition and subtraction exercises with numbers up to 10,000.
Exercises and articles on multiplication by a one-digit number — round numbers and written column multiplication with results up to 10,000.
Exercises and articles on long multiplication of two multi-digit factors — both factors up to four digits.
Exercises and articles on long division by a two-digit divisor — dividend up to four digits.
Exercises and articles about numbers above 10,000 — place value, expanded form, and rounding of large numbers.
Exercises and articles on converting units of length — the metric system (mm, cm, dm, m, km) and imperial units (inch, foot, yard, mile).
Exercises and articles on perimeter and area of squares, rectangles, triangles and composite plane figures.
Exercises and articles introducing volume and surface area of cube and cuboid through unit cubes and nets.