Shmoop University
Shmoop: Fractions & Decimals: Place Value & Naming Decimals
The mathematics notes investigate decimal place value. Examples and practice problems with solutions are included.
Shmoop University
Shmoop: Ratios & Percentages: Converting Decimals to Fractions
The mathematics tutorial examines how to convert decimals to fractions. Students learn about the concept through notes, examples, and practice problems.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Real Number System
Find a quick, concise explanation of real numbers. Examples are given and clearly explained in a diagram that shows the relationship real numbers has to other numbers.
Oswego City School District
Regents Exam Prep Center: Error in Measurement
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...
Science Struck
Science Struck: Devices Used to Measure Angles
Looks at the many devices used to measure angles in academic settings and in real-world settings.
Science Struck
Science Struck: Metric System Chart
Discusses how the metric system of measurement was developed, the organization around base units for some types of measurement, and the units used for other parameters.
Other
Gobierno De Navarra: Numeros Complejos
Use these interactive activities as a supplementary material to practice sum, difference, multiplication and division, power and roots of complex numbers.
Math Medics
S.o.s. Math: Units of Conversion
Use this chart to easily identify conversions using square measurements, cubic measurements, and linear measurements.
Shmoop University
Shmoop: High School: Number and Quantity: Quantities Hsn q.a.3
Standard HSN-Q.A.3 states: "Choose a level of accuracy appropriate to limitations on measurement when reporting quantities." This page explains what this standard means. Click on 'Sample Assignments' for some quick drills.
CK-12 Foundation
Ck 12: Physical Science: Accuracy and Precision
[Free Registration/Login may be required to access all resource tools.] Accuracy and precision of measurements.
Math Open Reference
Math Open Reference: Real Number
Learn about real numbers with this helpful reference tool. Provides a detailed definition and an interactive activity that enhances further explanation. Includes links to related topics.
Math Open Reference
Math Open Reference: Imaginary Number
Learn about imaginary numbers with this handy reference guide. Provides a detailed definition and examples that enhance further explanation. Includes links to related topics.