Copyright@Ed2netLearning,Inc1 TENTHS GRADE 3. copyright@Ed2netLearning,Inc2 Hello, How are you doing? Today, we are going to start a new lesson on Decimals

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TENTHS

GRADE 3


Hello, How are you doing?Today, we are going to start a new lesson on

Decimals.


DecimalDecimal - A number that uses place – value

and a decimal point to show tenths and hundredths.

Example – 1.52

Decimal Point – A point separating the ones and the tenths places in a decimal.

Example – 0.45


FractionFraction - A number that names part of

a whole or group.Example – Fraction of the shaded part is 2/3


Tenths

Fraction of the shaded portion

= 4/10

= 0.4

Ones . Tenths

0 . 4


How many tenths are shaded in the given figure?

Answer – 6/10 = 0.6


Equivalent DecimalsDecimals that name the same number.

Example – 5/10 = 50/1000.5 = 0.50 are equivalent decimals.


Forms of Decimal

For the fraction, 7/10 various forms of decimal are –

• Standard Form – 0.7• Place Value – tenths• Word Form – seven tenths


Benchmark EquivalenciesAll of the given models represents the same

decimals.

½ = 0.5


What does the shaded portion represents?

a) 0.3

b) 0.30

c) Both a and b

d) None of these


What does both represents?a) 0.3b)

Answer- 3/10 or 3- tenths


During 10 days at the beach, Alex swam in the Ocean 8 days. What represents the number of days Alex go for swimming?a) 8/10b) 8 tenthsc) 0.8d) All the above


Write the fraction and a decimal for the shaded part.

Answer-

50/100

0.50, 0.5


Write the decimal form for each.a) 2 tenthsb) 6/10c) 80/100Answer- a) 0.2b) 0.6c) 0.80


What is the difference in 0.90 and 0.9?Answer- No difference. Both are same


Maria sells hair pin for 50¢ each. What part of a dollar is 50¢. Also write answer in decimal?Answer- 50/100, 0.50


Important Tips• In Decimals 0.6 and 0.60 are equal. They

are equivalent decimals.

• In Fractions, 60/100 = 0.60 = 0.6

• In Word Form, 0.5 can be written as 5 tenths.


ASSESSMENT


1. What coins would be used to show 5/10 of 1 dollar?Answer- 5 dimes


2. Write the shaded part in words.

Answer – 8 tenths


3. Write each as decimal.a) Three tenthsb) 60/100c) 9/10Answer- a) 0.3b) 0.60c) 0.9


4. Circle the equivalent fractions.Four- tenths0.500.650.40.40Seven tenths


5. How many dimes make a dollar?Answer- 10


6. Elise spend 40¢ on a juice. How this amount can be written in fraction?Answer – 40/100


7. Shade 0.2 of the grid given below.


8. Daisy gave her friend 2/10 of a dollar. How much did he give her?Answer- 0.2 of a dollar


9. Write 0.1 in different ways.Answer- One-tenths1/100.10


10. Fill the missing numbers to complete the decimal-

fraction equivalent.3 dimes = 3/ = tenths = 0. = 0.3Answer- 3 dimes = 3/10 = 3 tenths = 0.3 = 0.30


Recap• Decimal• Fractions• Tenths• Equivalent Decimal• Forms of Decimal• Benchmark Equivalencies• Solved Examples• Practice Problems


Well Done!Now Practice Worksheets on the Lesson.

Documents

Copyright@Ed2netLearning,Inc1 TENTHS GRADE 3. copyright@Ed2netLearning,Inc2 Hello, How are you doing? Today, we are going to start a new lesson on Decimals