Multiplication Patterns
Multiplication with a Decimal
Exponents
Scientific Notation
Word Problems
100
1 x 34.26 = 10 x 34.26 = 100 x 34.26 = 1,000 x 34.26 =
34.26 342.6 3,426.0 34,260.0
100
2.4 x 3 =
7.2
100
Write in standard form 2^3
8
100
Convert to standard form: 4.7 X 10^4
47,000
100
Michael has 5 Nickels. How much money does Michael have?
$0.25
200
1 x 189 = 0.1 x 189 = 0.01 x 189 =
189 18.9 1.89
200
4.7 x 6 =
28.2
200
Write in standard form 2^0
1
200
Convert to standard form: 8.923 X 10^2
892.3
200
Jan plans to run 50 miles each month. If she keeps her plan, how many miles will she run in 10 months?
50 x 10 = 500 miles Jan will run 500 miles
300
1 x 37.621 = 10 x 37.621 = 100 x 37.621 = 1,000 x 37.621 =
37.621 376.21 3,762.1 37,621.0
300
11.3 x 5 =
56.5
300
Write in factor form 5^4
5 x 5 x 5 x 5
300
987 X 10^5
98,700,000
300
A travel is arranging a group trip. She figures that the cost will be $200 per person. If there are 20 people in the group, how much will the group trip cost?
$4000 for the group trip
400
1 x 5 = 0.1 x 5 = 0.01 x 5 = 0.001 x 5 =
5 .5 .05 .005
400
3.4 x 2.1 =
7.14
400
Write in exponential form 5 x 5 x 5
5 ^ 3
400
Convert to scientific notation: 234000
2.34 X 10^5
400
Amy's savings account has a balance of $58.45 in January. By March, her balance is 5 times as as much as her January balance. Between March and September, Amy deposits a total of $82.67. If she does not withdraw any money from her account, what should Amy's balance be in November?
$374.92 Amy will have $374.92 in her savings account
500
1 x 10 = 0.1 x 10 = 0.01 x 10 = 0.001 x 10 =
10 1.0 .1 .01
500
21.78 x 4.3 =
93.654
500
Write in exponential form 1 x 1 x 1 x 1 x 1 x 1 x 1 Write final answer in word form (ex. 7 to the power of 8)
1 ^ 7 one to the power of seven
500
Convert to scientific notation: 25,360
2.536 X 10^4
500
Heidi plans to buy 3 lbs (pounds) of carne asada at $1.80 per pound. She also wants 2 lbs (pounds) of chorizo that sells for $3.15 per pound. She has $12.00 in her purse. Does she have enough money?
The cost of the carne asada and chorizo will be $11.70. Yes, she has enough money.
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