Powers of 10
At Izzy’s Party Store, party invitations come in packages of 8. How many invitations are in 10 packages?
80
Estimate the product:
586 X 220 = _________
120,000
19
X. 9
______
171
90
X. 59
_____
5,310
Find 704 X 90
63,360
53 X 103
53,000
Estimate the product:
626 X 310 = _________
180,000
28
X. 3
______
84
81
X. 15
_____
1,215
X. 21
________
23,058
64 X 10__ = 640,000
104
Samantha plans on splitting $4,312 equally as gifts for her two children. About how much will each child receive?
$2,100 or $2,150
Find the product of 519 and 4.
2,076
A car service charges $35 per week for each passenger. There are 62 passengers each week. What is the total amount of money the car service receives each week?
$2,170
John’s family took 311 photos on their summer vacation. Marco and his family took 23 times as many photos on their vacation. How many photos did Marco’s family take?
7,153 photos
41,815 = 101 X _____________
4,181.5
A sports team orders 149 hats at a cost of $19 each. Which is the best estimate of the total cost of the order?
$3,000
123
X. 7
______
861
99
X. 99
_____
9,801
The height of a skyscraper is 532 feet. A mountain is 14 times as tall. What is the height of the mountain?
7,448 feet
56.798
A school club wants to buy shirts for each of its 38 members. Each shirt costs $23. About how much money will all the shirts cost?
$800
2,204
X. 6
_______
13,224
67
X. 45
_____
3,015
The distance from a gym to a school is 13 miles. If each mile is 1,760 yards, what is this distance in yards?
22,880 yards