Lesson 1.1
What number is 10 times as much as 200?
2,000
Solve.
3 x 104
30,000
80 x 400
32,000
915 x 3
2,745
Estimate both numbers and solve.
379 x 28
400 x 30 = 12,000
What number is 1/10 of 900,000?
90,000
Solve.
7 x 102
700
30 x 7,000
210,000
A farmer has a corn field with 9 rows of corn. Each row has 1,026 corn plants. How many corn plants are there?
9,234 corn plants
654 x 97
63, 438
What number is 100 times as much as 571?
57,100
Solve.
8 x 105
800,000
(12 x 8) x 104
960,000
3,904 x 6
23,424
Estimate both numbers and solve.
56,374 x 32
1,800,000
What number is 1/100 as 430,000?
4,300
Find the missing exponent
4 x 10n = 4,000,000
6
(8 x 5) x 103
40,000
47,185 x 8
377,480
A company makes hardwood for basketball courts. A basketball court is 94 feet long and 50 feet wide. How much hardwood does the company need to make 11 new courts?
51,700 square feet
What number is 1/1000 of 5,000?
5
Write 7,000 using a whole number times the power of 10.
7 x 103
Find the unknown exponent.
40 x 70,000 = 28 x 10n
5
Each cargo container weighs 2,205 pounds. How much do 9 containers weigh?
19,845 pounds
If a store sells 9 filing cabinets for $87 each and 14 tables for $350 each. How much does the store earn in sales?
$5683