Exploring Related Facts in Math: Addition and Subtraction

The video tutorial explains the concept of related facts in mathematics, focusing on how understanding simple addition and subtraction can help solve more complex problems. It provides examples of using related facts to solve addition and subtraction problems, encouraging students to apply these concepts through practice exercises.

If you know that 4 + 3 = 7, what is 40 + 30?

• 47

• 70

• 73

• 77

Using the related fact 7 + 2 = 9, what is 700 + 200?

• 800

• 900

• 1000

• 950

If 8 - 5 = 3, what is 80 - 50?

• 50

• 20

• 30

• 40

Using the related fact 8 - 5 = 3, what is 800 - 500?

• 500

• 400

• 300

• 200

If 6 + 5 = 11, what is 600 + 500?

• 1200

• 1100

• 1300

• 1000