Power of 10
Standard Form
Rounding
Compare Decimals
Word Problems
100
When multiplying a whole number by
, what is the relationship between the exponent and the number of zeros added to the product?
Exponent tells you how many zeros you need to add at the end of the product.
100
20,000+500+2
Daily Double
20,502
100
Round the number in the tenths place.
25.678
25.7
100
Free Space
1/1000
100
Daily Double
4284 passengers
200
What is (7x102)+(2x100)?
702
200
(3x105)+(9x103)+(4x101)+(8x100)
309,048
200
round to the nearest whole number. 12.381
12.000
200
32.567 __ 32.679
< less than
200
Smiley’s Greeting Card Store ordered 25,294 birthday cards and 15,280 Mother’s Day cards to sell last year. They sold 11,065 Mother’s Day cards and 24,229 birthday cards. How many birthday cards did they have left?
1,000 birthday cards
300
Write the expanded for form for 21,700.
(2x104)+(1x103)+(7x102)
300
three hundred forty-eight dollars and twenty-seven cents
$348.27
300
Round in the hundredths place. 2.415
2.42
300
95.4 __ 95.3429
> greater than
300
Flyaway Airlines has 3 flights to New Park City every day from San Sandoz. Each plane seats 400 passengers. On Monday, the first flight had 325 passengers. The second flight had 387 passengers. The third flight had 221 passengers. How many empty seats were there all together?
267 seats
400
(3x105)+(9x103)+(1x 1/10 )+(7x 1/100)?
309,000.17
400
(9x101)+(3x 1/10 )+(7x 1/100 +(4x 1/1000 )
90.374
400
Margaret rounded a number to the nearest hundredth and got 0.93. Write a number that could be rounded to get 0.93
Daily Double
Ex: 0.925
0.931
400
Order the decimals from greatest to least.
25.256, 25.25, 15.3
25.3, 25.256, 25.15
400
Robert slices a large loaf of bread to make 12 sandwiches. He makes 3 turkey sandwiches and 5 veggie sandwiches. The rest are ham sandwiches. What fraction of the sandwiches Robert makes are ham?
4/12
500
(8x107)+(2x106)+(3x104)+(4x100)+(3x 1/1000)
Daily Double
82,030,004.003
500
two million three hundred fifty-three and ninety-two thousandths
2,000,353.092
500
Round the number in the thousandths place.
259.9995
260.0000 or 260
500
Order the decimals from greatest to least.
203.198, 303.3, 203.2, 303.198
203.198, 203.2, 303.198, 303.3
500
In the 1950s, the average price of a car was about $1,900. Today, the price of the most expensive car is about $1,900,000. Which statement is true about the prices of these cars?
The price of today’s expensive car is 1000 times the price of an average car in 1950.