Day 8 of building
free tools for teachers

Today, we built the Classroom Calculator. Four free calculators on one page: Basic, Fraction, Scientific and Graphing.

The Classroom Calculator on a wide screen with Scientific picked. The calculator on the left shows 12*(5+6) = 132, and the projector panel on the right shows the same screen in large print above two lines of keys pressed.
Try Classroom Calculator →
  • The Classroom Calculator on a wide screen with Scientific picked. The calculator on the left shows 12*(5+6) = 132, and the projector panel on the right shows the same screen in large print above two lines of keys pressed.

    Classroom Calculator

    Four free calculators on one page: Basic, Fraction, Scientific and Graphing.

  • The Buzzer Beater board during a Quick Buzz round: Buzzers open with a big orange Tap Orange button on the left, and a Who was first list on the right with Zoe M. first and answering, then Noah K. 0.08 seconds later, Ava P. and Leo C., a note of 2 false starts and 1 wrong color, and Reset, Wrong, next in line and Correct buttons at the bottom.

    Buzzer Beater

    A classroom buzzer for any phone or Chromebook.

  • Show of Hands for Period 3 Biology: a grid of 24 student name tiles, 14 of 24 heard today, counted students in color with their counts, one student out at the bathroom with a timer, and the Count a hand, Send out and Mark absent buttons at the bottom.

    Show of Hands

    A participation tracker for your classroom.

  • A race around Earth at 54 WPM: the student's orange rocket, labelled You, streaks ahead with a long flame as the stars stretch into lines, Saucer and Sparky are tagged at the left edge behind it, Halfway around Earth is marked below, and the passage about orbits fills three lines at the bottom.

    Space Race

    A free typing game for kids, with free classes for teachers.

  • Calming Classroom Music playing Study Hall: Sparky in purple earmuff headphones sits at a desk with a stack of books, a cat in headphones sits on the windowsill, and the control bar shows the volume at 40%.

    Calming Classroom Music

    Quiet classroom music for independent work.

  • Seating Planner chart of a classroom with five rows of six desks, the teacher's desk at the front and 24 students seated. The status reads All 5 rules met and 1 locked, and the class list is on the right.

    Seating Planner

    A random seating chart generator for your classroom.

  • The Tide Pool board for Ms. Rivera's Class: 18 fish cards, each with a name, a mood such as Shining, Swimming or Drifting, a pearl count and up and down arrows, above a sandy tank floor with a castle, a crab and a treasure chest.

    Tide Pool

    A classroom behavior board for the smartboard.

  • Pit Stop race screen: the class's red race car drives toward a checkered flag while a see-through ghost car shows the class's best time.

    Pit Stop

    A classroom racing game that turns clean up, line up and every K–2 transition into a race against your class's own best time.