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Compare Numbers Up To One Billion
Improve your math knowledge with free questions in "Compare numbers up to one billion" and thousands of other math skills.
Convert Between Celsius And Fahrenheit
Improve your math knowledge with free questions in "Convert between Celsius and Fahrenheit" and thousands of other math skills.
Checkpoint: Percents
Improve your math knowledge with free questions in "Checkpoint: Percents" and thousands of other math skills.
Use Number Lines To Add Three-digit Numbers
Improve your math knowledge with free questions in "Use number lines to add three-digit numbers" and thousands of other math skills.
Match Analog And Digital Clocks
Improve your math knowledge with free questions in "Match analog and digital clocks" and thousands of other math skills.
Spell Word Names For Numbers Up To One Million
Improve your math knowledge with free questions in "Spell word names for numbers up to one million" and thousands of other math skills.
Interpret Bar Graphs Ii
Improve your math knowledge with free questions in "Interpret bar graphs II" and thousands of other math skills.
Divide By 6: Quotients Up To 10
Improve your math knowledge with free questions in "Divide by 6: quotients up to 10" and thousands of other math skills.
Use Models To Add A Two-digit And A One-digit Number - With Regrouping
Improve your math knowledge with free questions in "Use models to add a two-digit and a one-digit number - with regrouping" and thousands of other math skills.
PhET: Equality Explorer: Basics
Explore what it means for a mathematical statement to be balanced or unbalanced by interacting with objects on a balance. Find all the ways to balance cats and dogs or apples and oranges.
Easy Peasy Consumer Math
Found a problem? Check here. Credits: 0.5 Prerequisite: Pre-algebra Recommended: 9th – 12th Course Description: This high school course prepares students as savvy consumers. The course base is draw…
Write Variable Equations: Word Problems
Improve your math knowledge with free questions in "Write variable equations: word problems" and thousands of other math skills.
Graph Points On A Coordinate Plane
Improve your math knowledge with free questions in "Graph points on a coordinate plane" and thousands of other math skills.
Multiplication Word Problems With Factors Up To 10
Improve your math knowledge with free questions in "Multiplication word problems with factors up to 10" and thousands of other math skills.
Price Lists
Improve your math knowledge with free questions in "Price lists" and thousands of other math skills.
Compare Lengths: Customary Units
Improve your math knowledge with free questions in "Compare lengths: customary units" and thousands of other math skills.
PhET: Estimation
Explore size estimation in one, two and three dimensions! Multiple levels of difficulty allow for progressive skill improvement.
Game Theory Challenge Can You Predict Human Behavior Lucas Husted
Given a range of integers from 0 to 100, what would the whole number closest to 2/3 of the average of all numbers guessed be? For example, if the average of all guesses is 60, the correct guess will be 40. The game is played under conditions known to game theorists as “common knowledge:” every player has the same information— they also know that everyone else does too. Lucas Husted explains.