For use with pages 30–35. 48. California Math, Course 2. Chapter 1 Resource
Book. Find the product. 1. 4(29). 2. 25(27). 3. 212 (0). 4. 29 (211). 5. 212 (8). 6.
Date ——————————
Practice B
MFTTPO
1.5
CA Standards NS 1.2 AF 1.3
For use with pages 30–35
Find the product. 1. 4( 29 )
2. 25( 27 )
3. 212 ( 0 )
4. 29 ( 211 )
5. 212 ( 8 )
6. 213 ( 220 )
7. 217 ( 18 )
8. 24 ( 29 ) ( 8 )
9. 6 (25) (7)
11. 42 ( 23 ) ( 0 )
10. 29 (28) ( 11 )
12. 25 ( 27 ) ( 213 )
Evaluate the expression. 13. ( 28 )2
14. 226
15. ( 25 )3
16. 235
17. 2( 27 )2
18. 23( 29 )2
19. 26( 43 )
20. 232( 22 )2
Evaluate the expression when x 9, y 7, and z 11. 21. 2xy
22. 26yz
23. yz 2 4x
24. xy 1 3z
25. 7xyz
26. 5xy 2 7zx
Find the product. 27.
|212| • 4
||
28. 27 • 9
| |
29. 24 ( 28 ) • 25
30. A roofing contractor has 29 bundles of roofing shingles that he needs to carry up a ladder and put onto a roof. He carries two bundles at a time. How many bundles are still on the ground after his seventh trip up the ladder? 31. A football team starts with the ball at their own 20-yard line. They make two 6-yard gains in a row, then they have three 5-yard losses in a row. What yard line is the ball on at this point? In Exercises 32–34, evaluate the expression when x 6 and y 13. 32. 2x( y )
33. x ( y2 )( x )
34.
[ y 1 ( 2x ) ( y ) ]2
35. There is an old saying that goes, “Every time I go one step forward, I get bumped two steps backward.” Taken literally, what would the person’s forward progress be after going through this process 23 times? 36. You went to the department store for back to school shopping and picked out 6 shirts and 4 pairs of pants with a total worth of $170. When you paid for the clothes, the cashier took $3 off the price of each shirt and $5 off the price of each pair of pants. There was no sales tax. How much did you have to pay?
