CHAPTERS 1 – 2.5
NAME_____________________________
A. Bates
ANSWERS
Show all work.
1. Write expanded notation for 9806.
a) 9 thousands + 8 hundreds + 6 ones
b) 9 thousands + 8 hundreds + 6 tens
c) 9 thousands + 8 tens + 6 ones
d) 9 hundreds + 8 tens + 6 ones
2.
1.
2.
Write a word name: 209,358.
3.
3.
Josh owed $78 on his account. He mistakenly sent in a payment
of $87. What is the balance on his account?
a) –$165, or $165 debt
c) –$9, or $9 debt
4.
b) $9, or $9 credit
d) $11, or $11 credit
5.
4.
Use < or > for
to write a true sentence.
 23
 28
6.
5.
Find the absolute value:  5 .
6.
Find   x  when x  32 .
7.
8.
Complete the following operations.
8.
9.
2716
+ 4281
9. –4 + (–12)
10.
11.
10.
12.
3 + (–11)
a) –7
b) –33
c) –8
d) –14
13. _____________
11.
13.
–3 – 27
12. –4 – (–15)
49, 013
- 38,554
1
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ANSWERS
Complete the following operations.
14.
14.
8945
´
7
16.
Pick the best answer.
238
´ 409
15.
15.
16.
a) –19
17.
b) –48
–3(–16)
c) 13
d) 48
18.
17. What is the sign of this? Don’t work it out. (- 3)(- 2)(- 4)
19.
20.
18.
19.  56  8
31¸ 3
21.
20.
43 3354
21.
24 12,196
22.
23.
22. Round 23,456 to the nearest hundred.
24.
23. Gwen weighs 142 lb. This is 54 lb more than what her daughter
weighs. How much does Gwen’s daughter weigh?
Estimate the sum by rounding to the nearest hundred. Show your
work.
24.
27,823
+ 51, 785
2
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ANSWERS
Solve.
25.
26. Write exponential notation: 6×6×6.
45 ×y = 765
25.
26.
27. Solve: 18 + x = 32.
a) 50
b) 26
27.
c) 576
d) 14
28.Area =
28. A rectangular driveway measures 18 ft by 75 ft. What is the area of the Perimeter =
driveway? What is the perimeter? (Don’t forget units!)
29.
30.
29. A study packet requires 15 sheets of paper. How many packets can be
made from a 500-sheet ream of paper? How many sheets will be left
over?
31.
32.
30. Evaluate.
24
Simplify.
31.
24 - 20 ¸ 2 + 3
32 .
102 - 52 ¸ 5
3
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ANSWERS
33. Simplify: 12 – (–11) – 4 + 6.
a) 3
33.
b) 25
c) 13
d) 134
34.
35.
34.
30  2   3  6 2
36.
4´ {(12 - 4)×éë(5 + 83)¸ 4 - (10 - 6)ù
û}
32 + 15 ¸ 3
35.
36.
Bonus:
Bonus:
5
2
Simplify: (- 1) 14 - (- 15 + 8) - 3(- 8) .
a) –11
b) –59
4
c) –87
d) 59