Using Number Lines to Round Three-Digit Numbers to the Nearest 100

Develop your rounding skills with this helpful worksheet! Students are asked to round three-digit numbers to the hundreds place by plotting each number on the number line. They will decide what the endpoints and midpoints are and plot the given number accordingly. These graphs allow students to clearly see the nearest 100 to each number so they can more easily decide what to round to. 

This worksheet is designed to give second and third graders a visual to help them better understand when to round up or down. Learners will use their rounding skills not only to make estimations in their continued math education, but also to simplify mental math in their everyday lives!

For learners who need more support, try Round to the Nearest 10 Using Number Lines #1 and Using Number Lines to Round Three-Digit Numbers to the Nearest 10. Students ready to move on to more advanced practice can complete Round Up or Down? Rounding to the Nearest Hundred.