Mat 115
Lit210 - Section 1.1
7) 6 in the number 56,489
The fourth digit is called the thousands place.
8) 4 in the number 427,083 the number 4 place value is hundred thousands
9) In the number 43,729
(a) What digit tells the number of thousands? 3
(b) What digit tells the number of tens? 2
Section 1.2
6) 9 + 7 = 7 + 9
This is an commutative property, because the order of two numbers around an addition sign does not affect the sum.
8) 5 + 0 = 5
This is an additive property, because the sum of 0 and any whole number is that whole number.
Lit 210 - Section 1.3
20) 53,487 - 25,649 =
42) Starting elevation 6,907 feet, decrease of 511 feet, decrease of 203 feet, increase of 419 feet.
Mat115 - Section 1.4
18. 931,000, the nearest ten thousand
54. Business and finance. Amir bought several items at the hardware store: hammer, $8.95; screwdriver, $3.15; pliers, $6.90; wire cutters, $4.25; and sandpaper; $1.89. Estimate the total cost of Amir’s bill.
Mat 115 - Section 1.5
46) 1,208 x 305 =
Section 1.6
54) 67)--- 939
Mat 115
7) 6 in the number 56,489
The fourth digit is called the thousands place.
8) 4 in the number 427,083 the number 4 place value is hundred thousands
9) In the number 43,729
(a) What digit tells the number of thousands? 3
(b) What digit tells the number of tens? 2
Section 1.2
6) 9 + 7 = 7 + 9
This is an commutative property, because the order of two numbers around an addition sign does not affect the sum.
8) 5 + 0 = 5
This is an additive property, because the sum of 0 and any whole number is that whole number.
Lit 210 - Section 1.3
20) 53,487 - 25,649 =
42) Starting elevation 6,907 feet, decrease of 511 feet, decrease of 203 feet, increase of 419 feet.
Mat115 - Section 1.4
18. 931,000, the nearest ten thousand
54. Business and finance. Amir bought several items at the hardware store: hammer, $8.95; screwdriver, $3.15; pliers, $6.90; wire cutters, $4.25; and sandpaper; $1.89. Estimate the total cost of Amir’s bill.
Mat 115 - Section 1.5
46) 1,208 x 305 =
Section 1.6
54) 67)--- 939
Mat 115