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Learn to use inverse operations effectively through real-life examples such as biking, adding and subtracting numbers, and more. Practice exercises included for a better understanding.
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Inverse operations Objective: I will learn to use inverse operations.
4.1 Inverse operations • Suppose that you ride your bike north for 4 miles, and then decide you need to return home, where you started. What would you have to do? _____________________________. • Riding north and riding south are inverse actions because they undo each other.
If you add 5 to a number and you want to return to the original number, you started with, you would subtract 5. Addition and subtraction are inverse operations because they “undo”each other. Undo each action. Find the inverse operation. Add 3: ____________ Go up the stairs: _________________________ Drive 5 miles east: ______________________ Turn off the lights: ______________________ Talk in class: ___________________________ Divide by 65: ___________________________
Homework:Write the inverse operation of each exercise. • Add 7 ___________________ • Divide by 4 ______________ • Multiply by 8 _____________ • Go up the stairs _____________ • Listen to my teacher _________________________________ • Misbehave in class ______________________________________ • Subtract 4 ___________________ • Multiply 3 ___________________ • Get a bad grade in Math ____________________________________ • Not try my best in school _______________________________________
