Sally Student 10/5/07
Math Quiz, Page 156
1) B, 8.6 x 104 17) 3.56 + 8.75 = 12.31
2) 0.7
13.156
3) 0.49 + 8. 75
4) 26.5 12.31
5) 0.63
6) 2 cm 18) 94.716 - 47.81 = 46.906
7) 3 cm 8
9134.1716
8) 0.1 - 47.810
9) 0.35 26.904
10) 2.42
11) 0.081 19) 34.982 - 8.52 = 26.462
12) 7
2314.982
13) 1.983 - 8.520
14) 0.507 < 0.57 26.462
15) 17.802 > 17.8
16) 1.09 = 1.090 20) 12.904 + 13 = 25.904
12.904
- 13.00
25.904
21) 14 - 7.95 = 6.05 22) 50 + 2.852 + 13.6 = 66.452
134.00
50.000
- 7.95 2.852
6.05 + 13.600
66.452
23) $4.26 + $32.07 + $0.52 = $36.85
$ 4.126
32.07
+ 0.52
$36.85
24) 1.78 + 32.5 = 5.03 The correct sum for this problem
11.178
is 34.28. They probably
did not
+ 32.50 This is line the decimals up correctly.
34.28 correct. Then they would have added the
hundredths and tenths together,
11.178
This may
the tenths and ones together,
and
+ 32.5 be what the tens places together - and you
5.03 they did. can't do it that way.