## Website Detail Page

written by the PhET
Available Languages: English, Spanish
This interactive Flash simulation allows the user to explore size estimation in one, two and three dimensions. Multiple levels of difficulty allow for progressive skill improvement. Teaching ideas and activities are included. The direct link to the simulation is given as a mirror URL.

This is part of a larger collection developed by the Physics Education Technology project (PhET).
Subjects Levels Resource Types
General Physics
- Measurement/Units
= Error
- High School
- Middle School
- Informal Education
- Instructional Material
= Activity
= Interactive Simulation
Intended Users Formats Ratings
- Learners
- Educators
- application/flash
- text/html
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Mirror:
Access Rights:
Free access
Restriction:
Keywords:
area, dimensions, estimate, estimating area, estimating length, estimating volume, length, measurement, volume
Record Creators:
Metadata instance created January 22, 2006 by Cathy Ezrailson
PhET
Record Updated:
January 8, 2020 by Bruce Mason
Last Update
when Cataloged:
December 1, 2005
Other Collections:

### AAAS Benchmark Alignments (2008 Version)

#### 2. The Nature of Mathematics

2A. Patterns and Relationships
• 3-5: 2A/E2. Mathematical ideas can be represented concretely, graphically, or symbolically.

#### 9. The Mathematical World

9C. Shapes
• 3-5: 9C/E1. Length can be thought of as unit lengths joined together, area as a collection of unit squares, and volume as a set of unit cubes.
• 6-8: 9C/M7. For regularly shaped objects, relationships exist between the linear dimensions, surface area, and volume.
• 9-12: 9C/H2. When the linear dimensions of an object change by some factor, its area and volume change disproportionately: area in proportion to the square of the factor and volume in proportion to its cube. Properties of an object that depend on its area or volume also change disproportionately.

### Common Core State Standards for Mathematics Alignments

#### Standards for Mathematical Practice (K-12)

MP.2 Reason abstractly and quantitatively.

### NSES Content Standards

Con.U: Unifying Concepts & Processes
• K-12: Change, Constancy, Measurement
ComPADRE is beta testing Citation Styles!

AIP Format
AJP/PRST-PER
PhET, PhET Simulation: Estimation (2005), <https://phet.colorado.edu/en/simulation/estimation>.
APA Format
PhET. (2005, December 1). PhET Simulation: Estimation. Retrieved June 22, 2024, from https://phet.colorado.edu/en/simulation/estimation
Chicago Format
PhET. PhET Simulation: Estimation. December 1, 2005. https://phet.colorado.edu/en/simulation/estimation (accessed 22 June 2024).
MLA Format
PhET. PhET Simulation: Estimation. 2005. 1 Dec. 2005. PhET. 22 June 2024 <https://phet.colorado.edu/en/simulation/estimation>.
BibTeX Export Format
@misc{ Author = "PhET", Title = {PhET Simulation: Estimation}, Volume = {2024}, Number = {22 June 2024}, Month = {December 1, 2005}, Year = {2005} }
Refer Export Format

%Q PhET %T PhET Simulation: Estimation %D December 1, 2005 %U https://phet.colorado.edu/en/simulation/estimation %O application/flash

EndNote Export Format

%0 Electronic Source %A PhET, %D December 1, 2005 %T PhET Simulation: Estimation %V 2024 %N 22 June 2024 %8 December 1, 2005 %9 application/flash %U https://phet.colorado.edu/en/simulation/estimation

Disclaimer: ComPADRE offers citation styles as a guide only. We cannot offer interpretations about citations as this is an automated procedure. Please refer to the style manuals in the Citation Source Information area for clarifications.

Citation Source Information

The AIP Style presented is based on information from the AIP Style Manual.

The APA Style presented is based on information from APA Style.org: Electronic References.

The Chicago Style presented is based on information from Examples of Chicago-Style Documentation.

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