Curated OER
Ordering Sets of Measures
Using numbers with varying units (money, length, volume, distance, weight), scholars put each set in order from least to greatest. There are five numbers in each set, and they are all whole numbers with units attached (numbers in each...
Sophia Learning
Sophia: Multiplying With Significant Figures
View this tutorial which demonstrates how to determine the appropriate amount of significant digits in multiplication.
Sophia Learning
Sophia: Multiplying With Significant Figures
A short lesson describing how to determine the appropriate amount of significant figures when multiplying.
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.
Wolfram Research
Wolfram Math World: Significant Digits
This site defines and describes significant digits along with examples. Includes references, citations, and links to further information.