Powers of 10
Answer the problem in standard form:
500 x 103
500,000
Multiply:
924 x 28
25,872
4 km 9m = ______ m
4,009 m
A bookstore has 15 rows of shelves. Each row has 19 shelves. There are 7,125 books in the store. An equal number of books are placed on each shelf. How many books are on each shelf? How many books are left over?
There are 25 books on each shelf. No books are left over.
5,600 divided by 20
280
Write the number in exponential form:
1,000
103
Multiply:
236 x 59 =
13,924
899 g 28 mg = ______ mg
899,028 mg
A factory makes 3,990 bags of rope. Boxes that each hold 19 bags of rope are sold for $15 per box. If the factory sells all the boxes of rope, how much money does the factory earn?
The factory earns $3,150
8,800 divided by 80
110
Write the number as a multiplication expression:
10,000,000
10 x 10 x 10 x 10 x 10 x 10 x 10
Multiply:
231 x 74 =
17,094
5,687 m 315 mm = _______ mm
5,687,315 mm
Toby buys 21 packs of trading cards. Each pack has 15 cards. He puts all the trading cards in a notebook. He fills 15 pages of it with an equal number of cards on each page. How many trading cards are on each page?
There are 21 trading cards on each page.
6,783 divided by 57
119
Which number has a digit 3 with the same value as the 3 when 872,368 is multiplied by 10?
a. 912,356
b. 125,437
c. 397,612
d. 4363,157
d. 463,157
872,368 x 100 = 8,723,680
3,000
Multiply:
157 x 99 =
15,543
10 km 145 m = _________ m
10,145 m
A box of name tags holds 12 name tags. A case of name tags has 25 boxes. Principal Song buys 20 cases of name tags. She gives an equal number of name tags to each of 45 classrooms. If she gives out as many name tags as possible, how many extra name tags does Principal Song have?
Principal Song has 15 extra name tags.
7,980 divided by 19
420
Which number has a digit 4 with the same value as the digit 4 when 947,300 is divided by 100?
a. 46,325
b. 34,897
c. 12,465
d. 495,731
c. 12,465
947,320 divided by 100 = 9,473
400
Multiply:
1,265 x 52
65,780
165 m 25 cm = ________ cm
16,525 cm
A farmer’s cows produce 15,680 liters of milk in 28 days. Each cow produces 20 liters of milk a day. The farmer feeds each cow 25 kilograms of hay each day. What is the total number of kilograms of hay the cows eat each day?
The cows eat a total of 700 kilograms of hay each day.
7,285 divided by 47
155