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Multiplying with Zeroes
Dividing with Zeroes
Multiplying with Decimal Points
Dividing with Decimal Points
Percents
100
100 • 35
3,500
100
240 ÷ 20
12
100
3.5 • 2
7
100
3.2 ÷ 8
0.4
100
20% of 40
8
200
4,000(250)
1,000,000
200
1500 ÷ 3
500
200
1.2 • .5
.6
200
4.8 ÷ 1.2
4
200
60% of 50
30
300
30(2,000,000)(40)
1,200,000,000
300
64,000 ÷ 80
800
300
You have just ended a three-day hiking trip. During each of the three days, you hiked 2.5 miles. How many miles did you hike altogether?
7.5 miles
300
5.4 ÷ .06
90
300
5% of 40
2
400
There are 60 seconds in a minute. How many seconds are there in 90 minutes?
5,400 seconds.
400
A barrel contains about 4,000 ounces. How many 20 ounce containers could you fill from the barrel?
200 containers
400
0.02 • 4.5
0.9
400
20 ÷ 0.005
4000
400
1% of 400
4
500
There are about 400 students in each middle school. If there are 4,000 middle schools in England, how many students are there in total?
1,600,000
500
There are about 7 billion (7,000,000,000) people in the world. The US is made up of 350 million (350,000,000) people. How many times the US population is the world population?
20
500
0.0004(0.006)
.0000024
500
You just bought a 36-ounce bag of food for your pet hamster named Hamlet. Every day Hamlet eats 1.2 ounces of hamster food. How many days will go by before you’ll have to buy another bag?
30 days
500
110% of 70
77.