7-1: Dividing decimals by 10, 100, or 1000
Use mental math to solve.
370.2 divide 10
37.02
97.5 divide 6
16.25
2,466 divide 0.9
2,740
Use Mental Math to solve
5.67 divide 100
0.0567
71.2 divide 8
8.9
51 divide 0.06
850
Use Mental Math to solve.
0.5 divide 10^1
0.05
$23.10 divide 11
$2.10
720 divide 1.2
600
Use mental math to solve.
6.9 divide 10^3
0.0069
5.43 divide 15
0.362
143 divide 0.22
650
Alyssa has a CD that holds 700 megabytes of information. She has saved 53 pictures, each using 2.24 megabytes, to the CD. How much space is left on the CD?
581.28 megebytes
Use mental math to solve.
Helen is saving to buy a Koala Club child's membership to the San Diego Zoo as a present for her brother. The membership fee is $21.50. Helen has 10 weeks to save for it. How much money should she save each week?
$2.15
Admission to an amusement park cost $107.25 for three friends. If the price was the same for each friend, what was the cost of each admission?
$35.75
A blank CD can hold 80 minutes of music. If the average song is 3.2 minutes long, how many songs can fit on the CD?
25 songs
9.05 pounds