Chapter 1 Test:
L. 1 Place Value p. 4
L. 2 Compare and Order Numbers p. 6
L. 3 Rounding Numbers p. 8
L. 5 Adding and Subtracting Whole
Numbers and Decimals p. 12
Student Name: _______________
Parent Signature: _________________
(extra credit)
Time Studied: ____________
*No initials allowed
(must be actual signature)
Place Value
Place Value Chart
Standard Form
954,025
10.546
Word Form
Nine hundred fifty-four thousand, twenty-five
Ten and five hundred forty-six thousandths
Expanded Form
900,000 + 50,000 + 4,000 + 20 + 5
10 + 0.5 + 0.04 + 0.006
Place and Value of the Underlined Digit
36,500 Value: 500 Place: Hundred
60.87 Value: 0.07 Place: Hundredths
Compare and Order Numbers
<, >, = (Line up decimals to compare #'s)
360.091 > 360.019
360.091
360.019
0.001 = 0.0010
0.0010
0.0010
20,202 < 22,020
20,202
22,020
Order Least to Greatest (<)
40.6 0.406 4.06 4.60
Least to Greatest
40.6
0.406
4.06
4.60
0.406 < 4.06 < 4.60 < 40.6
Order Greatest to Least (>)
1.8201
182.01
1.8021
18.201
1.8201
182.01
1.8021
18.201
Greatest to Least
182.01 > 18.201 > 1.8201 > 1.8021
Round Numbers
Round underlined digit (up or stay; NEVER down)
Circle the number to the right of the underlined digit
All numbers left stay. All numbers right become zeros (including the circled #.)
0-4 underlined number stays the same
5-9 underlined number goes up one
0.47 -->0.50 or 0.5
9.4688 --> 9.4700 or 9.47
4,339 --> 4,300
Add and Subtract Whole #'s and Decimals
First line up the decimals
If there is no decimal it falls at the end on the right
Fill in zeros to make numbers the same length
1
2,219
+ 631
2,850
73
+ 1.2
73.0
+ 1.2
74.2
3 16
0.472
-0.083
0.389
312
-287.6
2 10 11
312.0
-287.6
24.4