Basic Geometry

This page contains links to free math worksheets for Basic Geometry problems. Click one of the buttons below to view a worksheet and its answer key. You can also use the 'Worksheets' menu on the side of this page to find worksheets on other math topics.

Complementary Angle Subtraction

Subtraction practice for finding complementary angles (Angles whose sum is 90 degrees).

Common Complementary Angles
Five Degree Complementary Angles
Arbitrary Complementary Angles

Supplementary Angle Subtraction

Subtraction practice for finding supplementary angles (Angles whose sum is 180 degrees).

Common Supplementary Angles
Five Degree Supplementary Angles
Arbitrary Supplementary Angles

Parallel, Perpendicular, Intersecting

Labelling lines as parallel, perpendicular or intersecting. Includes line shapes that imply intersection.

Simple Parallel, Perpendicular
and Intersecting Lines
Parallel, Perpendicular
and Intersecting Lines
Joined/Unjoined Lines
More Joined/Unjoined Lines
Unjoined Lines Only

Angles, Right, Obtuse, Acute

Label angles as right, obtuse or acute. Optionally estimate or use a protractor to measure the actual angles.

Simple Right, Acute or Obtuse Angles
Rotated Simple Right, Acute or Obtuse Angles
Right, Acute or Obtuse Angles
Rotated Right, Acute or Obtuse Angles
Angles Near Perpendicular
Rotated Angles Near Perpendicular

Basic Shapes

Identify and name basic quadrilaterals, triangles and polygons.

Name the Shapes
Name the Rotated Shapes
Name the Quadrilaterals
Name the Rotated Quadrilaterals
Name the Triangles
Name the Rotated Triangles

Area and Perimeter of Rectangles

Calculate the area and perimeter of rectangles given their dimensions; Also works for multiplication practice!

Area and Perimeter of Rectangles Set 1
Area and Perimeter of Rectangles Set 3
Area and Perimeter of Rectangles Set 3

Circles - Diameter and Radius

Worksheets to calculate radius from diameter, diameter from radius, or radius and diameter from area or circumference.

Diameter from Radius, Radius From Diameter
Diameter or Radius from Circumference
Diameter or Radius from Area
Diameter or Radius from Cirumference or Area

Circles - Area and Circumference

Worksheets to calculate circle area and circumference.

Area, Circumference from Radius, Diameter
Area, Circumference from Radius, Circumference
Area, Circumference from Radius, Area
Area, Circumference from Circumference, Area

Circles - Relationhips

Calculate the radius, diameter, area and circumference given one circle fact.

Calculate Circle Radius, Diameter, Circumference, Area 1
Calculate Circle Radius, Diameter, Circumference, Area 2

The Worksheets

Printable Flash Cards

Fact Family Math

Addition

Subtraction

Multiplication

Division

Spaceship Math Check-Off

Missing Operations

Long Division

Percentages

Negative Numbers

Graphic Fractions

Reducing Fractions

Comparing Fractions

Fraction Addition

Fraction Subtraction

Fraction Multiplication

Fraction Division

Fractions as Decimals

Factorization, GCD, LCM

Number Patterns

Patterns with Negatives

Mean, Median, Range

Word Problems

Pre-Algebra

Pre-Algebra Word Problems

Money Word Problems

Investing

Exponents

Order of Operations

Basic Geometry

Telling Analog Time

Analog Elapsed Time

Greater Than and Less Than

Numbers in Standard, Expanded and Word Form

Rounding Numbers

Ordering Numbers (Vertical)

Ordering Numbers

Preschool and Kindergarten

Graph Paper

Inches Measurement

Metric Measurement

Metric SI Unit Conversions

Imperial Unit Conversions

Conversions Between Customary and Metric

Picture Math Addition

Picture Math Subtraction

Picture Math Multiplication

Picture Math Division

Handwriting Paper