Whiteboard
ClassFlow

Class Flow: Estimating

For Teachers 3rd - 5th
[Free Registration/Login Required] Students will learn the rounding method of estimating whole numbers. Assessment questions are included.
Whiteboard
ClassFlow

Class Flow: Estimating Sums and Differences

For Teachers 1st - 3rd Standards
[Free Registration/Login Required] This flipchart is designed to teach third grade students the steps in estimating sums and differences. It also reviews rounding numbers to the nearest ten and hundred.
Whiteboard
ClassFlow

Class Flow: Estimation

For Teachers 4th - 6th Standards
[Free Registration/Login Required] After this lesson, students will be able to solve problems using a variety of mental math strategies.
Unit Plan
Math Is Fun

Math Is Fun: Estimation (Introduction)

For Students 3rd - 5th
The learning activity examines estimation. The resource consists of explanations, examples with solutions, and a link to estimation games.
Interactive
Math Is Fun

Math Is Fun: Estimation Games

For Students 2nd - 8th
Students practice the mathematics skill of estimation. The learning games examine how to use estimation with numbers, length, angles, and area.
Unit Plan
Math Is Fun

Math Is Fun: Visual Estimation

For Students 3rd - 5th
Learners investigate visual estimation. The educational resource consists of notes about the concept, examples, and learning games.
Activity
PBS

Pbs Teachers: Boats Afloat Experiment

For Students Pre-K - 1st
Estimate how many pennies a flatboat made of aluminum foil will hold, then test your hypothesis.
Unit Plan
Oswego City School District

Regents Exam Prep Center: Error in Measurement

For Teachers 9th - 10th Standards
What are the common errors made when students take measurements and how can they be avoided? A good deal of vocabulary associated with measurement errors is explained. Tips are provided for the student and the teacher in hopes of...
Unit Plan
Khan Academy

Khan Academy: Estimate Mass (Grams and Kilograms)

For Students 2nd - 4th Standards
Practice estimating the mass of real life objects using grams and kilograms. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unknown Type
Math Aids

Math Aids: Estimation Worksheets

For Teachers K - 1st
Great resource to practice and strengthen math skills pertaining to estimation. Math worksheets are printable, may be customized, and include answer keys.