Using number lines and manipulatives to solve the four facts in a fact family. In this lesson, students go over using number lines and manipulatives to solve the four facts in a fact family. Julia ...

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 ...

“Because we do so much multi-step problem solving, and we’re doing two-step word problems, if they’re spending 10-15 minutes trying to figure out what 9x7 is, they’re doing a lot of extra work, or ...

From the Birthday Paradox to the secrets of Pi, these 15 math facts prove the universe runs on some truly strange numbers. You’ll never look at math the same way again. Medicare update: Major change ...

Students go over using number lines to solve the four equations in a fact family. In this lesson, students go over using number lines to solve the four equations in a fact family. Julia uses charts, ...