Simplify Each Expression. Show All of Your Steps

PRACTICE Test 1B 8 Readiness Name:______(Day 1)

Simplify each expression. Show all of your steps.

1. 45- 15� 5 1 4. 6� (17 8) 2. ______

2. 9+ 43 - 7 6 5. 56阜 7 4- 10 3. ______

3. 1. 4. ______

5. ______

Evaluate each expression for n = 5. Show your substitution and steps.

6. 7n - 20 8. 3�( 13 n) 6. ______

7. 7. ______5.

8. A bakery sells cakes for $9.25 each and pies for $5.50 each. Find the total cost for 3 cakes and 5 pies.

Words:

Expression:

Simplify:

7. ______

Write a word phrase for each expression.

8. 16 - n 9. ______

9. 6x 10. ______

a 11. ______10. 42

PRACTICE Test 1B 8R Write an expression for each verbal description.

12. n less than 19 12. ______

13. the sum of y and 12 13. ______14. the quotient of m and 5 14. ______15. 12 teachers will share a box of spiral notebooks. There are n number of notebooks in the box. Write 15. ______an expression that describes how many notebooks each teacher will get. 11.

PRACTICE Test 1B 8R PRACTICE Test 1B 8 Readiness Name:______(Day 2)

Choose the correct property.

A. associative property of multiplication 2. c+0 = c ____

B. associative property of addition 3. (2+n ) + 7 = 2 +( n + 7) ____

C. commutative property of multiplication 4. (3贩x ) 5= 3 贩( x 5) ____

D. commutative property of addition 5. x+4 + 10 = 4 + x + 10 ____

E. identity property of addition 6. 8贩 4 7= 8 贩 7 4 ____

F. identity property of multiplication 7. 5= 1 5 ____

Estimate. Round each number first.

8. 312- 71 12. 41 9 8. ______

9. ______9. 241 78 13. 587+ 2,021 10. ______10. 3,199 41 14. 62+ 18 11. ______

11. 7. 12. ______

13. ______

Solve.

14. You buy a DVD for $12.95, a CD for $16.93, and new 14. ______

earphones for $7.88. The tax is $2.03. The cashier Explain:

says the total is $37.44. Is this reasonable?

Rearrange the expressions to make it easier to simplify. Then simplify.

+ + 17. 2贩 12 15 15. 16( 45 4) 17. 15. ______

16. 14. 16. ______

090970730048cced70475feffa81c6c0.doc 090970730048cced70475feffa81c6c0.doc Simplify completely using the Distributive Property

17. 6( 20- 3) 17. ______

18. 12(x - 7) 18. ______

19. ______19. 8( 32) 19.

20. ______20. (5n + 7) 2

21. ______21. (10a - 6) 5 22. ______22. 12( 6p + 9) 16.

090970730048cced70475feffa81c6c0.doc