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1. How many terms are there in the expression 2x2y?

2. How many terms are there in the expression 2y + 5?

3. How many terms are there in the expression 1.2ab – 2.4b + 3.6a?

4. How many terms are there in the expression – 2p3 – 3p2 + 4p + 7?

5. What is the coefficient of x in the expression 4x + 3y?

6. What is the coefficient of y2 in the expression 2x2y – 10xy2 + 5y2?

7. Which of the following pairs of terms is a pair of like terms?

8. Add 2 mn, -4 mn, 8 mn, -6 mn

9. Add a + b – 1, b – a + 1, 1 – 26

10. Simplify : p + (p – q) + q + (q – p)

11. Simplify : z2 + 11z2 – 5z – 11z2 + 5z

12. Subtract – xy from xy

13. Find the value of the expression x + 2 for x = -2

14. Find the value of the expression 4x – 3 for x = 1

15. If the value of the expression x2 – 5x + k for x = 0 is 5, then the value of k is

16. Find the value of the expression a3 + b3 + c3 – 3abc for a = 2, b = 3, c = 4

17. Find the value of the expression 3p + 7 for p = -2

18. Find the value of the expression – x + 2 for x = -2

19. Find the value of the expression z3 – 2(z – 10) for z = 10

20. Find the value of the expression 3x + 5 (x – 2) for x = 2