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Free Printable Geometry Vocabulary Bingo Cards

Review the language of lines, angles, polygons and measurement with students in grades 3 to 6. The cards show the terms; the caller reads a definition, such as "an angle that measures less than 90 degrees", or sketches the figure on the board, and students cover "Acute angle". Before a win counts, the student explains each term in the winning line.

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Preview. Every printed card is shuffled differently.

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    How to play geometry vocabulary bingo

    1. Set the number of players, then press Print or save as PDF. Each player gets a different card.
    2. Call items in random order with the built-in caller, or use the printed call list.
    3. Players mark each called square. The first to complete a row, column or diagonal shouts "Bingo!"

    Tip: Word the definitions tightly, because some shapes share properties: "four equal sides" fits both a rhombus and a square, so add "and four right angles" when you mean the square. Sketching figures instead of reading definitions makes a faster second round.

    Geometry Vocabulary Bingo word list

    These 35 items are loaded into the generator above. Edit, remove or add your own before printing.

    • Point
    • Line
    • Line segment
    • Ray
    • Angle
    • Vertex
    • Right angle
    • Acute angle
    • Obtuse angle
    • Straight angle
    • Parallel lines
    • Perpendicular lines
    • Intersecting lines
    • Polygon
    • Quadrilateral
    • Pentagon
    • Hexagon
    • Octagon
    • Parallelogram
    • Rhombus
    • Trapezoid
    • Rectangle
    • Square
    • Equilateral triangle
    • Isosceles triangle
    • Scalene triangle
    • Right triangle
    • Perimeter
    • Area
    • Volume
    • Radius
    • Diameter
    • Circumference
    • Line of symmetry
    • Congruent
    Free printable Geometry Vocabulary Bingo card: a sample word card ready to print
    A sample card. Yours are shuffled differently for every player.

    Bigger group? Get the Unlimited Pass

    Printing is free for up to 10 cards per game. For classrooms, large showers, fundraisers and company events, the Unlimited Pass prints up to 500 unique cards per game without the site footer, on every theme, for 12 months. It costs $7.99 once. There is no subscription and no account.

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    Questions and answers

    Are the bingo cards really free?

    Yes. You can print up to 10 unique cards per game at no cost, as often as you like, without creating an account. The optional Unlimited Pass is for larger groups.

    How do I save the cards as a PDF?

    Press "Print or save as PDF". In the print window choose "Save as PDF" as the printer. On a phone, use the share or print option in the preview that opens.

    Is every card different?

    Yes. Each card is shuffled separately from your list, so players cannot all win at the same time. The more items your list has beyond the number of squares, the more the cards differ.

    Can I use my own words?

    Yes. Replace the list with your own words or phrases, one per line. A 5×5 card with a free space needs at least 24 items, a 4×4 card needs 16 and a 3×3 card needs 8.

    What paper should I use?

    Normal printer paper works. Card stock lasts longer if you plan to reuse the cards. The layout fits both US Letter and A4.