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14.1.21 CHN PDF Ordering and comparing decimals Notebook January 11, 2021
14.1.21 WALT: read, order and compare decimals.
Steps to SuccessBefore ordering ensure the number has the same number of decimal places. Use 0 as a place holder.
To order 3 place decimal numbers look at the number of units (whole number), then tenths, then hundredths, then thousandths.
14.1.21 CHN PDF Ordering and comparing decimals Notebook January 11, 2021
1.348
1 0.3 0.04 0.008
1 348.whole numbers
3 tenths 4 hundreths 8 thousandthstenths hundredths thousandths So what is the value of each of our digits?
3 tenths, 4 hundreths and 8 thousandths
14.1.21 CHN PDF Ordering and comparing decimals Notebook January 11, 2021
1.348
1 0.3 0.04 0.008
1 348.whole numbers
3 tenths 4 hundreths 8 thousandthstenths hundredths thousandths So what is the value of each of our digits?
3 tenths, 4 hundreths and 8 thousandths
14.1.21 CHN PDF Ordering and comparing decimals Notebook January 11, 2021
1.348
1 0.3 0.04 0.008
4.678
5.213
5.673
5.109
61.672
90.087
1 348.whole numbers
3 tenths 4 hundreths 8 thousandths
Write the value of each red digit.
14.1.21 CHN PDF Ordering and comparing decimals Notebook January 11, 2021
4.678
5.213
5.673
5.109
61.672
90.087
0.07 0.003 0.07
0.2 5 0.007
14.1.21 CHN PDF Ordering and comparing decimals Notebook January 11, 2021
4
52 1
0
8
876 4
5
008
8
7 67
77
7
105
40
26
45
53
387
3
3100.3
4
9
7
91000.09
610000.006
Write down the value of the next digits (in the red boxes).
14.1.21 CHN PDF Ordering and comparing decimals Notebook January 11, 2021
4
52 1
0
8
876 4
5
008
8
7 67
77
7
105
40
26
45
53
387
3
4
9
7
0.10.07
0.70.08
40.05
0.13
0.3
14.1.21 CHN PDF Ordering and comparing decimals Notebook January 11, 2021
When multiplying move the digits to the left.When dividing move the digits to the right.How many times you move depends on how many 0s there are in the number you are multiplying or dividing by.
What's the rule for multiplying and dividing by 10, 100, 1000?
Recap
14.1.21 CHN PDF Ordering and comparing decimals Notebook January 11, 2021
When multiplying move the digits to the left.When dividing move the digits to the right.How many times you move depends on how many 0s there are in the number you are multiplying or dividing by.
What's the rule for multiplying and dividing by 10, 100, 1000?
Recap
14.1.21 CHN PDF Ordering and comparing decimals Notebook January 11, 2021
http://www.mymaths.co.uk/tasks/library/loadLesson.asp?title=decimals/decimalOrdering&taskID=1072
Go through for the guided lesson on MyMaths:
14.1.21 CHN PDF Ordering and comparing decimals Notebook January 11, 2021
Use > = <
3.402 3.042
0.001 0.0010
56.532 56.523
7.901 7.910
>
>
<
=
14.1.21 CHN PDF Ordering and comparing decimals Notebook January 11, 2021
Use > = <
3.402 3.042
0.001 0.0010
56.532 56.523
7.901 7.910
>
>
<
=
14.1.21 CHN PDF Ordering and comparing decimals Notebook January 11, 2021
5.67 5.1 5.673 5.19 5.01
Order these numbers from smallest to largest.
5.01 5.1 5.19 5.67 5.673
14.1.21 CHN PDF Ordering and comparing decimals Notebook January 11, 2021
5.67 5.1 5.673 5.19 5.01
Order these numbers from smallest to largest.
5.01 5.1 5.19 5.67 5.673
14.1.21 CHN PDF Ordering and comparing decimals Notebook January 11, 2021
14.1.21 WALT: read, order and compare decimals.
Your activity:Please complete page 6 in your WHITE MATHS CGP QUESTION BOOK.Then, complete the activity set on MyMaths.
See page 8 in your RED MATHS SATs REVISION BOOKS to provide further guidance.
Page 6 Page 8
14.1.21 CHN PDF Ordering and comparing decimals Notebook January 11, 2021
If I divide a number by 10 then 10 again. The answer is 0.5What number did I start with?
0.5 x 10 = 5
5 x 10 = 50
Inverse 50Then check÷10 = 5
5 ÷10 = 0.5
50
14.1.21 CHN PDF Ordering and comparing decimals Notebook January 11, 2021
If I divide a number by 10 then 10 again. The answer is 0.5What number did I start with?
0.5 x 10 = 5
5 x 10 = 50
Inverse 50Then check
÷10 = 5
5 ÷10 = 0.5
50
14.1.21 CHN PDF Ordering and comparing decimals Notebook January 11, 2021
