Rounding to 10 and 100 Worksheets for 3rd Grade

What your child practices

This set of 50 worksheets on Rounding to 10 and 100 is written for 3rd grade (Grade 3 in Canada) and gives your child 800 questions to work through, one page at a time. In grades 3 to 5, math moves from counting to reasoning, so confidence with Rounding to 10 and 100 pays off later in multistep problems, measurement and early algebra. Each of the 50 versions of Rounding to 10 and 100 has new questions, so your child can repeat the skill without memorizing answers. The skill matches Common Core 3.NBT.A.1, the standard for place value and using it to add, subtract, multiply and divide. In Canada it matches the BC curriculum for Grade 3. Answer keys sit on page 2 of each PDF, so checking takes seconds. Short on time? Start with the Rounding to 10 and 100 video lesson, then print a sheet while it is fresh.

Tips for parents

• Encourage your child to show their work. In grades 3 to 5 the method matters as much as the answer.
• Turn one problem into a real life question, using snacks, coins or toys around the house.
• Ask your child to explain one answer out loud. Talking through Rounding to 10 and 100 shows you where the thinking is solid.