There's a whole world under the surface and only Ron has any idea about it. And sometimes the two worlds collide, and sometimes they don't. Ron holds them at arm's length from each other. Watch every ...

Adding and subtracting basic equations by sight is essential to a solid math foundation. Meet the Math Facts 1, 2, and 3 make learning to add and subtract fun and easy! With adorable characters that ...

Susan Hobart asked this week’s “question-of-the-week": What strategies help math facts stick besides the old “drill the skill” and, if someone is not proficient at addition facts, can learning ...

Fact families are groups of numbers that have a relationship to each other. For each pair of addition facts, there are also two subtraction facts in the same family. Here is a fact family using the ...

Students put all of their addition and subtraction skills together to solve equations. In this lesson, students put all of their addition and subtraction skills together to solve equations. Julia ...

“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 ...

Explains the concept of zero in mathematics, emphasizing its role as a number that represents the empty set. It illustrates how zero is used in addition and subtraction, showing that adding or ...