Add and Subtract within 1000 Worksheets for 3rd Grade

What your child practices

This set of 50 worksheets on Add and Subtract within 1000 is written for 3rd grade (Grade 3 in Canada) and gives your child 1000 questions to work through, one page at a time. In grades 3 to 5, math moves from counting to reasoning, so confidence with Add and Subtract within 1000 pays off later in multistep problems, measurement and early algebra. Each of the 50 versions of Add and Subtract within 1000 has new questions, so your child can repeat the skill without memorizing answers. The skill matches Common Core 3.NBT.A.2, 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. Before printing, try the Add and Subtract within 1000 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 Add and Subtract within 1000 shows you where the thinking is solid.