# Calculator Posts

## Calculating the Slope into Summer... It's All Downhill From Here!

Dad goes all linear equations on his 4th grader, and introduces a new graphic slope calculator to get the job done.

Calculating the Slope into Summer... It's All Downhill From Here!## I Got Skills... They're Multiplying!

If you're learning multi-digit multiplication, this visual calculator will show you interactively how to solve problems... Great for use in the classroom!

I Got Skills... They're Multiplying!## Why Learning Long Division is so Important

Long division is certainly a test of many different skills that mimic more abstract math topics. I'm looking at you algebra, hiding there around the corner.

Why Learning Long Division is so Important## Why Do We Still Need This Ancient Math Skill?

Roman numerals are still a skill well educated person need to know, and this Roman Numeral Converter is both a handy tool and a great way to learn them!

Why Do We Still Need This Ancient Math Skill?## Young, Old or In-Between... You Know You Need to Know Your Age Down to Second!

Have you ever wondered EXACTLY how old you are? Or exactly how far apart in age you are from someone you know? This age calculator is ready to tell you that and more!

Young, Old or In-Between... You Know You Need to Know Your Age Down to Second!## More Updates to the Amazing Fraction Calculator!

There have been some great visualization improvements to the fraction calculator at DadsWorksheets.coM!

More Updates to the Amazing Fraction Calculator!## How Prime Are You?

Introducing the prime factorization calculator. It's animated, color and great for classroom demonstrations of how to build prime factor trees.

How Prime Are You?## Return of the Timer!

This online countdown timer is fantastic! While we’re using this as a timer for math tests and worksheets, it’s perfect for anything where you need a countdown.

Return of the Timer!## Online Fraction to Percentage Calculator

Percentages are an important part of both math and daily life. This percentage calculator is here to help visualize percentages interactively! Click through to find out more...

Online Fraction to Percentage Calculator## Free Pie! And an Amazing Fraction Calculator!

Check out this amazing new Fraction Calculator! It's mobile friendly and supports all the operations on mixed fractions and improper fractions.

Free Pie! And an Amazing Fraction Calculator!