Sophia Learning
Sophia: Dividing Whole Numbers by Fractions: Lesson 2
This lesson goes over how to divide a whole number by a fraction. It is 2 of 11 in the series titled "Dividing Whole Numbers by Fractions."
Lizard Point Quizzes
Lizard Point: Subtraction Practice
At this site from Lizard Point Consulting, you can practice several different levels of difficulty of subtraction problems that use 1-digit numbers all the way up to 3-digit number subtraction problems that require regrouping. You can...
AAA Math
Aaa Math: Adding Three Digit Numbers
Read through this explanation of how to add three digit numbers. Use the online game to practice this skill. The game will keep running totals of your correct and incorrect answers. It will also show you a percent score of the correct...