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Perform Mental Computations

Use a variety of methods to perform mental computations and compare the efficiency of those methods 0306.2.4


Links verified on 07/05/2026


  1. 25 Best Mental Math Strategies for Kids (2025): Free & Easy - Get strategies that will help your students. This is a site that has a free trial class, but the suggestions are very helpful, altho no links to resources are active.
  2. Free grade 3 math worksheets - pick the topic and discuss strategies to solve problems.
  3. Math Trainer - Free Online Mental Math Practice
  4. A resource for the teacher to use in planning their lessonsMental calculation - strategies for mental math [8 pages if printed]
  5. Mental Math - subtraction strategies from AAA Math
  6. Mental Math Strategies Every Child Should Know From 1st To 5th Grade - In this article we introduce you to some of the mental math strategies you can teach your students to help develop their mental math skills
  7. Mental Math Trainer - Sharpen mental arithmetic with daily drills graded across five difficulty levels
  8. Mental Math Trainer - this web application will help you to practice and improve your abilities in cerebral arithmetic. The problems are tailor-made so that it is ensured you progress at your pace and level of skill.
  9. Math Worksheets - The math worksheets are randomly and dynamically generated by our math worksheet generators. This allows you to make an unlimited number of printable math worksheets to your specifications instantly.
  10. Subtraction Practice - Free online subtraction practice for grades K–3. Choose a difficulty level below — each opens an interactive drill with instant feedback and streak tracking.
  11. 7 practical tips for mental math (that ANYONE can use!) - NUMBER SENSE: the ability to manipulate numbers in one's head in various ways in order to do calculations

A resource for the teacher to use in planning their lessons site for teachers | A PowerPoint show related to this standard PowerPoint show | An Adobe Acrobat document in .pdf format Acrobat document | A Microsoft Word document to be downloaded Word document | This interactive site would work well on an interactive whiteboard whiteboard resource | This resource includes voice instructions for students sound | A video is available through this link video format | This site is interactive and allows students to play a game or input or collect data interactive lesson | This site includes questions for your students to check their understanding a quiz | A lesson plan can be found at this site lesson plan | This link includes something for the teacher to print to print

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