mathematics - 39 items
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Children's Timer
$5.99 - $29.99

Perfect for helping children prepare for timed school tests—or for turning learning into a fast-paced game! Our easy-to-use timer…

Count Up & Count Down Digital Timer
$12.99

This convenient digital timer is easy to read and easy to use! Dual-function timer has simple controls and an extra-large display that…

Classroom Sand Timer Set
$6.99

Our sand timers let students see exactly when time is up! Each plastic, 3 1/4" timer measures a different duration of time, from 30…

Giant Sand Timers - Complete Set
$55.00

Our colorful sand timers provide a highly visual way to measure time—from 60 seconds to 10 full minutes! Each timer has been tested…

Time Timer
$34.99

It’s easy to time classroom activities…with an ingenious timer that actually shows students how much time is left! Just slide the red…

Jumbo Time Timer
$39.99

This timer is big enough for the entire class to see! 60-minute timer has bigger, bolder numbers & an extra-large face—even a louder…

Classroom Stopwatches
$7.99 - $29.99

Our high-quality stopwatches are perfect for timing all sorts of activities—from hopping & skipping to running! Each 6-digit LCD…

Teaching Gear Clock
$34.99

As children turn the hands on our giant clock, the digital display advances at the same pace—so telling time is a breeze! Sturdy gears…

Telling Time Teaching Clock
$29.99

Learn to tell time with our cute talking clock! Just turn the hands, then listen as the clock says the time...and shows it on the…

Lakeshore Student Clocks - Set of 12
$19.99

Sturdy little wooden clocks give the whole class hands-on practice with telling time. Clocks have plastic stands and easy-turning…

Time & Money Smart Pencil Interactive Learning Cards
$29.99

These interactive cards let kids work on their own to master time and money! Designed for use with our Smart Pencil (sold separately),…

Mini Time Timer
$29.99

It’s easy to time classroom activities...with a portable timer that shows students how much time is left! Just slide the red dial to…

1-Minute Sand Timers - Set of 12
$19.99

Add excitement to tons of classroom activities—with our easy-to-use sand timers! Each handy timer measures exactly one minute…so…

Giant Sand Timer - 5 Minutes
$14.99

Our colorful sand timer provides a highly visual way to measure 5 minutes of time! Our timer has been tested for accuracy…and features…

Elapsed Time Write & Wipe Boards - Set of 10
$19.99

Students build essential time-telling skills...with write & wipe clock boards that make it easy to visualize elapsed time! Children…

Student Gear Clocks - Set of 6
$34.99

Our easy-to-read plastic clocks have geared hands that maintain the correct hour/minute relationship. Set of 6 clocks; each is…

Giant Sand Timer - 10 Minutes
$14.99

Our colorful sand timer provides a highly visual way to measure 10 minutes of time! Our timer has been tested for accuracy…and…

Time Equivalency Puzzles
$12.99

As kids fit together our equivalency puzzles, they practice telling time…in 4 different ways! Each 5" x 6" self-correcting puzzle has…

Lakeshore Magnetic Teaching Clock
$19.99

Our magnetic teaching clock features big, movable hands that are perfect for exploring time concepts with the whole class…plus a handy…

Read the Clock! Time Game
$24.99

Students read the clock and race to stay on schedule—strengthening time-telling skills as they play! In this skill-building math game,…

Self-Checking Time Match-Ups
$9.99

Children practice telling time to the hour, half hour and minute—with fun-to-use puzzles that provide hands-on practice with tough…

Write & Wipe Student Clocks - Set of 10
$9.99

Our student-sized clocks let children explore time-telling skills on their own…and the handy write & wipe surface makes it easy to…

Read the Clock! Time Interactive Game
$14.99 - $149.00

Children practice telling time—as they move their mice around the screen collecting blocks of cheese! Our action-packed game provides…

Giant Sand Timer - 1 Minute
$14.99

Our colorful sand timer provides a highly visual way to measure 60 seconds of time! Our timer has been tested for accuracy…and…