When my students grow too dependent on their calculators, I ask them to find a number that, when multiplied by itself, gives them 2. Students quickly see that since 1² = 1 and 2² = 4, the answer has ...

Until the late Renaissance, there were few symbols to depict clearly and concisely what would later become known as an equation. Numbers and numerical problems were framed in words and sentences.

Archaeologists working in northern Mesopotamia say they have uncovered visual patterns that look a lot like structured counting, even though no written numerals existed at the time. The claim is bold: ...

Weird Math sets out to “reveal the strange connections between math and everyday life.” The book fulfills that laudable goal, in part. At times, teenage math prodigy Agnijo Banerjee and his tutor, ...

Answer: 888 + 88 + 8 + 8 + 8 = 1,000. This is the kind of math riddle you can work out with times tables, or by simple logic. First, get as close to 1,000 as you can (888). From there, it’s easy to ...

There are some people—incredibly intelligent people, no less—for whom a grasp of numbers is entirely elusive. Is 6 bigger than 5? What is halfway between 200 and 400? If I give you $10 for a $7.50 ...

Unveiled at WWDC 2024, iOS 18 and iPadOS 18 pack in a bunch of new features, with AI in the driving seat. One stand-out feature is Math Notes. It’s a number solving feature that can give you the ...

Students in Melissa Williams' kindergarten class at the Westminster School in Atlanta, Georgia, practice connecting quantities to written numbers — a key part of number sense. Credit: Holly Korbey for ...

Math Riddles with Answers: Let us solve another interesting and difficult math puzzle. In this Missing Number Series Puzzle, you need to find the missing number in the place of the question mark in ...

E= (A+B) - (C-D) where A=7, B=5, C=6, and D=3 If you observe the sequence of table above, 1, 3, 5, 9, 11, 13 are increasing with a difference of 2 and 1, 2, 3, 5, 6 ...