Scholastic
Study Jams! Relate Addition & Subtraction
Understanding the inverse relationship between addition and subtraction is essential for developing fluency in young mathematicians. Zoe and RJ explain how three numbers can form fact families that make two addition and two subtraction...
Scholastic
Study Jams! Addition & Subtraction Equations
Zoe is decorating a cake for her grandpa's birthday and needs to know how many more candles to add. Follow along as she explains how to set up and solve algebraic equations in this step-by-step presentation. Equations with negative...
CK-12 Foundation
Mental Math for Addition and Subtraction Equations: Marble Bag Collector
Don't lose your marbles as your learn about addition and subtraction equations. Pupils investigate the relationship between addition and subtraction by using an interactive. They drag different color marbles into a box and identify...
Curated OER
Logarithms For Analog Circuits
In this electric circuit worksheet, students answer a series of 16 questions about logarithms and how they are used in understanding analog circuits. This worksheet is printable and the answers are viewed on-line.
Curated OER
Rational Numbers
In this Algebra I worksheet, 9th graders identify properties from the real number system and use the distributive property to collect simplify expressions with parentheses. The one page interactive worksheet contains five multiple...
Mangahigh
Mangahigh: Number: Use Inverses
Explore addition and subtraction and how they are related.