PPT
Sophia Learning

Sophia: Subtracting Fractions From Mixed Numbers

For Students 4th - 7th
This lesson examines how to subtract fractions from mixed numbers. A detailed example is included in the video lesson.
PPT
Sophia Learning

Sophia: Subtracting Mixed Numbers From Fractions

For Students 4th - 7th
The lesson investigates how to subtract mixed numbers from fractions. A detailed example is included in the video lesson.
PPT
Sophia Learning

Sophia: Subtracting W/ Significant Figures: Lesson 2

For Students 9th - 10th Standards
This lesson should help a learner understand how to determine the appropriate amount of significant figures when subtracting numbers. It is 2 of 4 in the series titled "Subtracting w/ Significant Figures."
PPT
Sophia Learning

Sophia: Subtracting W/ Significant Figures: Lesson 4

For Students 9th - 10th Standards
This lesson should help a learner understand how to determine the appropriate amount of significant figures when subtracting numbers. It is 4 of 4 in the series titled "Subtracting w/ Significant Figures."
PPT
Sophia Learning

Sophia: Adding and Subtracting Using Significant Figures: Lesson 2

For Students 9th - 10th
This lesson will demonstrate how to add/subtract measurements and report the result to the correct number of significant digits. It is 2 of 3 in the series titled "Adding and Subtracting Using Significant Figures."
Graphic
Math Is Fun

Math Is Fun: Definition of Abacus

For Students 3rd - 8th
You can use an abacus to count, add, subtract, multiply and more. Try this interactive abacus and see if you can make the numbers. Choose "here's more" for some clues. Good luck!
Graphic
Curated OER

Subtract Circles

For Students 3rd - 8th
Use this site to learn how to subtract fractions using circles at this site from Visual Fractions. You will receive immediate feedback on your answers.
Graphic
Curated OER

Number Nut: Subtracting Objects

For Students Pre-K - 1st
Photograph showing one nut being removed from a group of seven, leaving six behind.
PPT
Sophia Learning

Sophia: Significant Figures Addition & Subtraction

For Students 9th - 10th
A guided lesson explaining how to add and subtract numbers expressing the answer with the appropriate number of significant digits.
Graphic
Curated OER

Subtract Image With Borrowing

For Students 3rd - 8th
Use this interactive site from Visual Fractions to practice subtraction with fractions on a number line. You will receive immediate feedback on your answers.
Graphic
Rudiments of Wisdom

Rudiments of Wisdom: Statues

For Students 9th - 10th
A kid-friendly introduction to statues and how they are made. All of the fun-fact information is drawn in a cartoon style.
Graphic
Curated OER

Educational Technology Clearinghouse: Maps Etc: Standard Time Belts, 1903

For Students 9th - 10th
A map from 1903 of the United States showing the time zones as they were then established. "The heavy dotted line shows the arbitrary divisions of time in the United States. The plus and minus marks on either side of the meridian lines...
Graphic
Curated OER

Visual Fractions: Fraction Subtraction With Circles

For Students 3rd - 8th
Use this site to learn how to subtract fractions using circles at this site from Visual Fractions. You will receive immediate feedback on your answers.

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