Estimation Within 1000 Math Worksheets | Addition and Subtraction | Paper | Grade 3

Practice or assess making estimates with numbers under 1000 using addition or subtraction. These math worksheets are great for practice, review, or assessment. They only take moments to prep and make differentiation a snap.

This resource can be bought in a bundle where you’ll get it at a discount. More information is found below.

This estimating resource includes:

• 15 different pages about estimating sums and differences, though the pages are open enough that students can use skip counting, multiplication or division to answer some of the questions.
• pages that can easily be used as assessments.
• four pages of word problems.
• colouring activities.
• answer keys or suggested answers for all 15 pages.
• Canadian/British spellings.
• SI Notation, so numbers are written with spaces between place values instead of commas. (Example: 1 000 instead of 1,000).

Ninja Note: This file is a PDF and requires printing for students to use.

This resource aligns with:

• Alberta Mathematics Curriculum Grade 3 ©2022
• British Columbia Mathematics Curricular Competencies Grade 3 
  
• Saskatchewan Mathematics Curriculum Grade 3 N3.2 

This resource supports:

• any lesson about estimating.
  

We use this resource with:

• Number Operations Interactive Math Unit Grade 3
• Interactive Math Unit Full Year Bundle Grade 3

Where do you teach? We have aligned sets for this topic.  

• Alberta Number Operations Worksheet Bundle Grade 3
• Alberta Full Year Worksheet Bundle Grade 3
• British Columbia Number Operations Worksheet Bundle Grade 3
• British Columbia Full Year Worksheet Bundle Grade 3
• Saskatchewan Number Operations Worksheet Bundle Grade 3
• Saskatchewan Full Year Worksheet Bundle Grade 3

We also have more general bundles if you teach elsewhere in Canada:

• Math Worksheets Full Year Bundle With Concepts and Holidays Grade 3
• Math Worksheets Full Year Bundle With Concepts Only Grade 3
• Math Worksheets Full Year Bundle With Holidays Only Grade 3

Want to try a free set? 

• Free Math Worksheets Grade 3 Sample

Use our free alignment guide to help figure out which sets work for you.

Have a question? Before contacting us, check our Frequently Asked Questions page.