90 Second Solutions

How do I use what I have to find a bigger amount?

How do I work out problems with a lot of steps?

How do I subtract more than two numbers at a time?

How do I subtract big numbers?

How do I "borrow" when the number has a lot of 0's in it?

How do I use tape diagrams to figure out a problem?

What do I do first? This shows how to use PEMDAS to solve a problem.

What does it mean to add positive and negative numbers?

How do I use a number line to add positive and negative numbers?

This shows you how to subtract positives and negatives.

This show how to use a numberline to subtract positive and negative numbers.

How are fractions divided?  What do common denominators have to do with dividing fractions?

What does division mean with fractions?

Where does the negative sign go on a fraction? 

How do I compare numbers using place value to check if one is bigger than another one?

What happens to a number when it is multiplied by 10?

Rounding and place value

How do I calculate how many times more one number is than another?

How are area and perimeter different?  How are they calculated?

How do I find perimeter?

How do I find area?

This video will show how to find missing angles when two parallel lines are cut by a transversal.

Solving equations to find the measure of missing angles inside a triangle.

How do I read a line plot?  What does it tell me about the data?

How do I read a line plot to find a total?

How do I read bar graphs and frequency graphs?

When you are given the percent and the part, what's the whole?

This shows how you calculate a discounted price

When you are given the whole and the part, what's the percentage?

How do I calculate the tax on an item?

An explanation of unit ratios

This show how to see patterns in ratio table both across and up and down.

How is a ratio table set up and used?

How do I use tape diagrams to figure out a problem?

How do I use double number lines?

How is estimation used to see if there is enough of something?

How is estimation used to make a prediction?

How do I turns words into numbers?

Are there different ways I can estimate?

How do I compare numbers using place value to check if one is bigger than another one?

What are factors? What are multiples?  How are they different?

How to use a factor tree to find the prime factorization of a number.

What's the difference between a factor and a multiple?

In what order do numbers go on a number line?

What's the difference between least common multiple and greatest common factor?

This video will demonstrate how to find the slope-intercept form of a linear equation.

This video demonstrates finding slope given two points on a line.

How do I graph a line when all I have is an equation?

How do I get a number for the slope of a line when I'm given a graph or two points?

How do I find the equation of a line in slope-intercept form when given the slope and a point?

How do I graph a line when I'm given the equation in slope-intercept form?