Calculate intervals of time and solve elapsed time problems with our Advanced NumberLine Clock™. It comes with a clock frame and 2 detachable numberline chains—1 for AM and 1 for PM. Simply unfold the number line chains, snap them together, and you’ve created a number line out of a clock. Gears maintain correct hour and minute relationship. Practice telling time on 3 different styles of analog clocks. Build your own 24-hour number line from a clock with color-coding for AM and PM. Use to calculate intervals of time and solve elapsed time problems.
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