Tiêu đề CLass 8 Math.pdf ✅

Lesson 1: Rational Numbers 1. Using appropriate properties find the value of Solution: = 2. 2. Using appropriate properties find the value of Solution: =
3. What is the additive inverse of Solution: The additive inverse of is 4. What is the additive inverse of Solution: The additive inverse of 5. What is the additive inverse of Solution: Additive inverse of is  Additive inverse of is 6. What is the addivtive inverse of Solution: The additive inverse of
7. Verify that Solution: 8. Verify that Solution: 9. What is the multiplicative inverse of − 13 Solution: The multiplicative inverse of − 13 is 10. What is the multiplicative inverse of Solution: The multiplicative inverse of 11. What is the multiplicative inverse of Solution: The multiplicative inverese of is 12. What is the multiplicative inverse of − 1 Solution: The multiplicative inverse of − 1 is − 1.
13. Name the property under multiplication used in each of the following. Solution: (i) Role of 1 (ii) Commutativity (iii) Multiplicative inverse. 14. Multiply by the reciprocal of Solution: Reciprocal of 15. Tell what property allows you to compute Solution: Associativity 16. Is the multiplicative inverse of Why or why not? Solution: is not the multiplicative inverse of 17. Is 0.3 the multiplicative inverse of Why or why not.