Transcript Reading, Writing Numbers

Numbers - large and small
Be able to read
Be able to write
Be able to round
8
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Can you say it?
Can you spell it?
eight
Can you round it to the nearest ten?
10
84
 Read
the number
 What is the value of the
80
underlined digit?
 Round the number to the
nearest 10. 90
179
 Read
the number
 What is the value of the
underlined digit?
 Round the number to the
nearest 100
384
 Read
the number
 What is the value of the
underlined digit? 300
 Round the number to the
nearest 100
400
796
 Read
the number
 What is the value of the
underlined digit? ninety
 Round the number to the
nearest 10 800
986
 Read
the number
 What is the value of the
underlined digit? 900
 Round the number to the
nearest 100 1000
3 456
Read the number
 What is the value of the underlined
digit?
Three thousand
 Notice the space between the 3 and
4, sometimes you might see a
comma. This is a place holder to help
you read the number.

67 456
Read the number
 What is the value of the underlined
digit?
Sixty thousand
 Round this number to the nearest
thousand

Sixty seven thousand
245,893
Read the number
 What is the value of the underlined
digit?
200 000
 Round the number to the nearest ten
thousand
250 000
 Round the number to the nearest
thousand

246 000
7,350,000
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Sometimes this number can be written as
7.35 million
7.35 is a decimal number
Round the number to the nearest million
7 million
8.23 billion
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A) 8 230 000
B) 82 300 000
C) 823 000 000
D) 8 230 000 000

Five hundred and twenty three
thousand
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a) 523
b) 5 230
c) 52 300
D) 523 000
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1.24
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This number is written to two decimal
places
It is read as one point two four
Two tenths, 0.2 or 2/10
Four hundredths, 0.04 or 4/100
Reading decimal numbers
1.
2.
3.
4.
7.09
9.12
23.06
14.145
Round to the nearest whole
numbers
23.56
2. 17.92
3. 13.07
4. 128.19
1.
Round to one decimal place
1.
2.
3.
4.
5.
3.79
4.23
12.94
34.18
123.97