Dive deeper into subtraction. The presenter shows two more ways to use the definition of subtraction to solve subtraction problems. Using the distributive and commutative properties, pupils learn how to solve problems such as subtracting from a negative number and subtracting a larger positive number from a smaller positive number.

Concepts

subtraction, subtraction integers, subtraction negative numbers, addition negative numbers, negative numbers, integers, negative integers

Show More Show Less

Additional Tags

math

Show More Show Less

Instructional Ideas

• Give the class several problems to solve using the similar properties

Classroom Considerations

• Assumes scholars know what it means to distribute the negative
• Individuals should be comfortable adding signed numbers

Pros

• Works out the examples to demonstrate the concepts
• Contains connections to other related videos

Cons

• None

Common Core

SL.7.2 7.NS.A.1.a 7.NS.A.1.c MP6 MP7