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 ...

Excerpted from "The Grapes of Math: How Life Reflects Numbers and Numbers Reflect Life." Numbers were invented to describe precise amounts: three teeth, seven days, twelve goats. When quantities are ...

a fun game to play and work on a puzzle around true or false. These two lessons continue to work with numbers, give you a fun game to play and work on a puzzle around true or false. These two lessons ...

Also Read: Math Riddles: Solve this Circle, Triangle, Star, Square riddle, Test Your IQ Also Read: Math Riddles: Solve this Circle, Triangle, Square riddle, Test Your IQ Roopashree Sharma is a ...

Use Base-Ten diagrams and standard, expanded, and word forms to represent numbers. Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. Find Which One ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. Perfection is an unattainable quest for which we all strive. But for a ...

Image made with elements from Canva. Let’s go back to grade school—do you remember learning about prime numbers? They’re numbers that can only be divided by themselves and one. So 2, 3, 5, 7, 11, and ...