Subtraction is taking away one number from another. When you subtract it gives you the difference between two numbers. Here are 7 blocks. If you take away three blocks, how many are left? There would ...

Take this quiz to see how much you know about this topic already, then work through the guide and see if you can beat your score. Take a look at this number line. It shows 14 - 5 = 9. You can count ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. From the time of Descartes (1596–1650 ...

High-performing leaders burn out from constantly adding. Learn what to subtract this week: unrealistic expectations, ...

“We call it quantitative literacy, just knowing which fraction is larger or smaller, that the slope is positive when it is ...

Math scores in the U.S. have been so bad for so long that teachers could be forgiven for trying anything to improve them.

A simple-looking math equation is spinning heads - leaving internet users torn over the right answer. An X user @BholanathDutta posted the elementary grade math sum this week, telling people to solve ...

You have that slide rule in the back of the closet. Maybe it was from your college days. Maybe it was your Dad’s. Honestly.

Outdoor images taken in haze usually exhibit contrast reduction, color distortion, and detail loss. Removing the haze from a given image is a tough issue owing to its highly ill-posed property. To ...

Abstract: Most of the recently published background subtraction methods can still be classified as pixel-based, as most of their analysis is still only done using pixel-by-pixel comparisons. Few ...