Chris Clements

Decimals

Ordering Decimals

0.3

0.68

0.12

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Learning Objective:

LO: I can order decimals.

Ordering decimals Decimals numbers are numbers that use the

place holder tenths, hundredths etc…

A decimal point (.) is used to separate the

number from the units, tens, hundreds…

5

H

3

T

2

U

8

Tenths

8

Hundredths

Decimals can be represented using a 100

square; This 100 square shows 1 tenth of a whole. We can shows this

by writing the decimal 0.1

0.5 0.8 0.2 0.30.2 0.3 0.5 0.8

Can you order the following decimals?

Decimals can be represented using a 100

square;

Can you order the following decimals?

0.41

0.74 0.85 0.290.41 0.74 0.850.29

This 100 square shows 1 hundredth of a whole. We can

shows this by writing the decimal 0.01

0.41

0.31 0.89 0.10.7

0.41

0.8 0. 04 0.290.93

0.31 0.890.1 0.7

0.80. 04 0.29 0.93

Can you order theses decimals from smallest to biggest?

3.8 3.4 3.3 3.6

0.93 0.91 0.99 0.96

6.45 7.18 6.25 7.08

3.83.43.3 3.6

0.930.91 0.990.96

6.456.25 7.08 7.18

Can you order theses decimals from smallest to biggest?

4.1 3.6 4.2 3.9

2.4 2.14 2.5 2.45

0.37 0.3 0.97 0.73

4.1 3.64.2 3.9

2.4 2.142.5 2.45

0.37 0.30.97 0.73

Can you order theses decimals from biggest to smallest?

1) First look to ordering the units digit

Steps to success

4.1 3.63.1 4 is bigger than 3

2) Now look at the tenths digit

4.1 3.62.62.13) Finally look at the hundredths digit

4.1 3.60.510.56 0.56 is bigger than 0.51

4.1

0.6 is bigger than 0.1

Activity

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Plenary

Write these fractions in order;

3.01 13.0 0.31 1.30 3.1

3.01 13.00.31 1.30 3.1

Order these decimals from smallest to biggest;

smallest biggest

3

3.3 3.23 3.03 3.2

3.33.233.03 3.2