Rounding Numbers Worksheets Grade 3

Mathematics

Round to 10 and 100

Each printable worksheet below is a full page of practice problems and comes with an answer key that explains how to solve every problem, step by step. Open a worksheet and use the Print / Save as PDF button to download it.

Worksheet 1

8 problems
  1. Emma is planning a school field trip for her class. There are 28 students in her class and 4 teachers going on the trip. Each school bus can hold 32 people. How many buses are needed for the field trip?
  2. Round 6876 to the nearest 100.
  3. Round 853 to the nearest 10.

…and 5 more problems

Open & Print Worksheet 1

Worksheet 2

5 problems
  1. Round 8324 to the nearest 100.
  2. Round 4213 to the nearest 100.
  3. A rectangular playground is drawn on grid paper with a length of 120 meters and a width of 80 meters. If you count all the 1-meter by 1-meter squares that make up the playground's surface, how many squares are there?

…and 2 more problems

Open & Print Worksheet 2

Worksheet 3

5 problems
  1. Round 1305 to the nearest 100.
  2. Round 649 to the nearest 100.
  3. A rectangular swimming pool is drawn on grid paper. The pool is 25 meters long and 15 meters wide. If you count all the 1-meter by 1-meter squares that make up the pool's floor, how many squares are there?

…and 2 more problems

Open & Print Worksheet 3

Prefer interactive practice with instant feedback and progress tracking? Try LessonBunny free — 10 problems, no signup required.