Elementary Math Workbook · Grade 4 Level

Plane Geometry & Area

Shapes, the coordinate plane, and area — four self-paced sets that build from foundations to mastery. Set your own timer, answer at your own pace, and check your work as you go.

Core Concepts

What you'll need

Triangles by sidesScalene — no equal sides. Isosceles — 2 equal sides. Equilateral — 3 equal sides.
Triangles by anglesAcute — all angles under 90°. Right — one angle is 90°. Obtuse — one angle over 90°.
Quadrilateral familySquare ⊂ Rectangle ⊂ Parallelogram, and Square ⊂ Rhombus ⊂ Parallelogram. A trapezoid has just one pair of parallel sides.
Coordinate planeA point (x, y) means: move x units right, then y units up from (0, 0).
Area & perimeterRectangle: l × w, perimeter 2(l+w). Triangle: (b × h) ÷ 2. Parallelogram: b × h. Trapezoid: ((a+b) ÷ 2) × h.
Choose a Set

Print the full workbook

All 80 questions, ink-friendly layout, answer key on the last page.