Task# Number Line Comparisons

Illustrative MathematicsVaries

The purpose of this task is for students to use the number line to make comparisons between 3-digit numbers. As students plot the numbers, they have to make many comparison as they think through, for example, where to plot 456. The four in the hundreds place tells them the number is larger than 400 and smaller than 500. The five in the tens place helps them locate the number near the center of the interval between 400 and 500.