Curated OER
Subtraction as the Opposite of Addition
In this basic math operation worksheet, students learn that subtraction is the inverse of addition. They then solve 8 subtraction problems and use addition to check the answers. Answers are available on the second page.
Curated OER
Solving One Step Equations
Young scholars observe and demonstrate the step-by-step process for solving one-step equations. They view a teacher-created PowerPoint presentation, solve one-step equations, and in small groups create a PowerPoint presentation.
School Express
School Express: Online Addition
Great place to sharpen your addition skills. Start with basic facts and go all the way up to 3 digit addition with regrouping. You select the level of difficulty and the number of problems. You can also check your answer right away.
School Express
School Express: Multiplication Online
Great place to sharpen your multiplication skills. Start with basic facts and go all the way up to 3 digit multiplication. You select the level of difficulty and the number of problems. You can also check your answer right away.