Just One!

Just one step is all you need to find success in solving equations. The 27th installment in a series of 36 teaches how to solve one-step equations involving addition and subtraction. Tape diagrams help future mathematicians in this task.

The object is to model fraction division by asking “How many are in one group?” It is a difficult concept to understand, but developing the model that shows one cup to a certain amount of container or one container to a certain amount of...

Using a number line, pupils are asked to identify which of four fractions is closest to one half. Includes a single problem that can serve as a practice problem or formative assessment for 3rd or 4th graders learning to partition number...

This long division PowerPoint provides students with an overview of how to solve long division problems with a zero in the dividend. There are clearly stated steps in this PowerPoint, as well as an acronym to help students remember the...

Introduce your class to solving one-step equations. In this short video, Sal walks through the process of solving simple equations. He solves the problem and then shows how to check the answer by completing the inverse operation.

Help your students understand how to use their algebraic reasoning to solve a one-step equation, where they must solve for X. Add this video to a lesson or assign it as homework.

Just because it's one step doesn't mean it's simple! A video tutorial describes the process of solving one-step equations. The instructor demonstrates how to solve using addition, subtraction, multiplication, and division inverse...

The method of converting a mixed number to an improper fraction is fully explained in this video. Sal completely details how and why one is able to convert a mixed number. He uses multiple colors and drawings to demonstrate the...

Practice problems are great ways to engage your charges with a new concept. Sal solves for x + 8 less than or equal to 6 and then graphs the solution. First, he subtracts 8 from both sides, and then he subtracts 6. Next, he draws a...

Rounding is an important skill which must be used throughout the study of mathematics. This Khan Academy video is the first in a series of 3. It shows how to round the number 24,259 to the nearest hundred, using a number line.