Decimal Numbers Junior 3 Mathematics Decimal numbers A

Decimal Numbers �Junior 3 �Mathematics

Decimal numbers A number that uses a decimal point followed by digits that show a value smaller than one.

� Whole number fractional part � 45. 9 � decimal point

PLACE VALUE CHART HUNDRED TENS ONES 5 2 9 500 20 . 9 TENTHS HUNDREDTHS 6 8 0. 6 0. 08

0 1/1 =0. 1 One tenth 2/10 =0. 2 Two Tenths 3/10 4/10 5/10 6/10 7/10 8/10 9/10 =0. 3 =0. 4 =0. 5 =0. 6 =0. 7 =0. 8 =0. 9 Three tenth s four tenths five tenths Six tenth Seven tenths Eight tenths Nine tenths 10/10 =1. 0 One

How much is shaded? Write in decimal. 4/10 = ? The answer is 0. 4

� Write the decimal number for the given shaded fraction. 15/10 = ? The answer is 1. 5 ( as 1 whole is shaded)

If something is divided into 100 ths then the decimal looks like � 1/100 = 0. 01 � 2/100 = 0. 02 � 10/100 = 0. 10 or 0. 1 � 14/100 = 0. 14 � 25 /100 = 0. 25 � 79 / 100 = 0. 79

� Lets watch this video � https: //www. youtube. com/watch? v=2 FH 6 Yi. L WIu. E

Now write these fractions in decimal numbers in your rough notebook. Mention the places on the top � 2/10= ______ � 13/10 = ______ � 25/10 = ______ � 23/100 = _____ � 123 /100 = _____ � 9/100 = _____ � 19 /100 = _______ � 9/10 and 90/100 are same. Do you agree with this ? Give reason to support your answer.