This resource has three problem sets to practice subtraction. Select a problem set, then select a question. Fill in the blank with the correct answer for each problem. When you have answered all of the questions, ask Charlie how you did.

Reference material and practice with integer subtraction.

MATHguide includes rules for addition/subtraction of integers and multiplication/division of integers in this descriptive lesson on integers.

Explores the commutative, associative, and distributive properties of integers, and rules for adding and subtracting them.

Explores factors and multiples and the difference between them.

The resource consists of comprehensive learning tools such as class notes, video lectures, and templates through which students can review prealgebra topics.