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Silvia Bianchi
MAT/115
Checkpoint. Ch.1
Section 1.1
(10)
Give the place values for the indicated digits
In the number 456,719
(a)
What digit tells the number of ten thousands
5
(b)
What digit tell the number of hundreds
7
(12)
In the number 324,678,903
(a)
What digit tells the numbers of millions?
4
(b)
What digit tells the number of ten thousands?
7
(32)
Determine the number represented by the scrambled place values.
7 hundreds
4 ten thousands
9 ones
8 tens
6 thousands
Answer: 46,789
Section 1.2
Name the property of addition that is illustrated. Explain your choice of property.
(6)
9
+
7
=
7
+
9 conmutative property
( a+b=b+a)
(8)
5 + 0 = 5
zero property (a+0=a)
(12)
5,463 + 435 = 5,898
Section 1.3
(20)
53,487 – 25,458 = 28,029
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View Full Document Silvia Bianchi
MAT/115
Checkpoint. Ch.1
(42)
Based on units, determine if the following operations produce a meaningful result
Starting elevation 6,907 feet, decrease of 511 feet, decrease of 203 feet,
increase of 419 feet.
Section 1.3
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This note was uploaded on 06/22/2010 for the course MAT 115 taught by Professor Roshonnebuchheit during the Spring '10 term at University of Phoenix.
 Spring '10
 RoshonneBuchheit
 Math

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