Games and activities help children learn to tell time, calculate intervals of time, and find elapsed time using number lines. The Advanced NumberLine Clock reinforces the concept that a clock is just a circular number line and helps teach skills like telling time to the nearest minute, calculating time intervals, finding elapsed time, and regrouping with minutes. Details: Activity Guide includes 15 games and activities Card sets are scaffolded by color for differentiation Contents: 30 Time Cards 30 Problem Cards 15 Time Interval Cards 3 Advanced NumberLine Clocks 1 Activity Guide