CK-12 Foundation
Ck 12: Arithmetic: Mixed Number Rounding to the Nearest Whole
[Free Registration/Login may be required to access all resource tools.] Round given mixed numbers to the nearest whole number.
CK-12 Foundation
Ck 12: Arithmetic: Problem Solving Plan, Estimation With Decimals
[Free Registration/Login may be required to access all resource tools.] Identify when estimation is appropriate and estimate to solve word problems.
CK-12 Foundation
Ck 12: Arithmetic: Product Estimation With Mixed Numbers/fractions
[Free Registration/Login may be required to access all resource tools.] Estimate products and quotients of fractions and mixed numbers.
CK-12 Foundation
Ck 12: Arithmetic: Product With Whole Numbers and Fractions
[Free Registration/Login may be required to access all resource tools.] Estimate products of whole numbers multiplied by fractions.
CK-12 Foundation
Ck 12: Arithmetic: Front End Estimation Grade 8
[Free Registration/Login may be required to access all resource tools.] Use front-end estimation to find decimal sums and differences.
CK-12 Foundation
Ck 12: Arithmetic: Front End Estimation Grade 6
[Free Registration/Login may be required to access all resource tools.] Estimate sums and differences of decimals using front-end estimation.
CK-12 Foundation
Ck 12: Arithmetic: Fraction Rounding to the Nearest Half
[Free Registration/Login may be required to access all resource tools.] Round given fractions to the nearest half.
CK-12 Foundation
Ck 12: Measurement: Estimation of Conversion to Metric Units
[Free Registration/Login may be required to access all resource tools.] Estimate equivalence between metric units of measurement and customary units of measurement
CK-12 Foundation
Ck 12: Arithmetic: Decimal Addition Using Front End Estimation
[Free Registration/Login may be required to access all resource tools.] Use front-end estimation to estimate decimal sums
CK-12 Foundation
Ck 12: Arithmetic: Decimal Subtraction Using Front End Estimation
[Free Registration/Login may be required to access all resource tools.] Estimate decimal differences using front-end estimation
CK-12 Foundation
Ck 12: Arithmetic: Decimal Division
[Free Registration/Login may be required to access all resource tools.] Divide decimals with and without rounding
CK-12 Foundation
Ck 12: Arithmetic: Estimation of Sums of Mixed Numbers and Fractions
[Free Registration/Login may be required to access all resource tools.] Estimate sums of fractions and mixed numbers
CK-12 Foundation
Ck 12: Arithmetic: Product Estimation With Mixed Numbers/fractions
[Free Registration/Login may be required to access all resource tools.] Estimate products of fractions and mixed numbers using benchmarks.
Math Is Fun
Math Is Fun: Estimation Tips and Tricks
Learners investigate estimation tips and tricks. The resource consists of notes about the concept, examples, and some learning games and activities.
Sophia Learning
Sophia: Determining Uncertainty
Take a look at this presentation which provides examples on how to determine the uncertainty in a measurement.
Sophia Learning
Sophia: Identifying Certain and Uncertain Digits
A brief overview of the use of certain and uncertain digits in measurement.
Sophia Learning
Sophia: Introduction to Estimating
A slideshow exploring the importance of using estimating in calculations in life situations and in physics. Understand how estimating in physics can help you see if your calculated answer is correct or not.
Sophia Learning
Sophia: Order of Magnitude
This slide show presentation introduces the concept of order-of-magnitude, and how it is used to estimate large values in physics.
Sophia Learning
Sophia: Order of Magnitude
A short introduction to the concept of order-of-magnitude, with an explanation of how it is used to make estimations in physics.
Sophia Learning
Sophia: Practice Estimating
Follow this guided example estimating the volume of a solid cylinder. [2:14]
Sophia Learning
Sophia: Reporting Mass Measurements
This tutorial explains how to measure mass accurately on different types of measuring instruments.
Sophia Learning
Sophia: Significant Figures Addition & Subtraction
A guided lesson explaining how to add and subtract numbers expressing the answer with the appropriate number of significant digits.
Sophia Learning
Sophia: Adding With Significant Figures
A brief presentation helping the learner understand how many significant figures to use when adding numbers.
National Council of Teachers of Mathematics
The Math Forum: Fermi Questions
This tutorial from the Math Forum provides the approach to problem solving made famous by Enrico Fermi. Fermi, a brilliant Italian physicist, used estimation frequently in problem-solving.