Khan Academy: Relating Addition and Subtraction

Warm up your mathematicians using this fact families instructional activity! Because the answer is explained below, consider projecting this for the whole class and uncovering the bottom half after collecting student responses. There are...

Introduce young scholars to relationship between addition and subtraction with this very simple worksheet. There are 2 problems to solve, each problem shows unifix cubes relaying an addition problem and its subtraction companion.

Can your scholars match these fact families? There are eight number sentences listed here, both addition and subtraction. Learners scan a list of eight other equations, matching each original with one that is in its fact family. All...

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...

Practice seeing how addition and subtraction are related. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Sal solves addition and subtraction equations with number 10 or less. Includes a video, transcript, and question and answer section.

Sal solves word problems by adding the same number many times. Includes a video, transcript, and question and answer section. [2:10]

Elementary schoolers review their knowledge of addition and subtraction through studying fact families. They use cubes to help them add or subtract. Students answer the teachers question with addition and subtraction fact answers.

Sal solves addition and subtraction word problems involving exercising gorillas and cookies. Includes a video, transcript, and question and answer section. [5:31]

In this exercise, students practice repeated addition. Students receive immediate feedback and have the opportunity to get hints, watch a tutorial video, and try questions repeatedly.