Decimals and Fractions

1
Decimals and Fractions

• Lesson 1.3

2
Changing a Decimal to a Fraction

• Use the number after the decimal as your
  numerator.
• Use the place value as the denominator.

3
Examples
57

0.57
___________
100
168

0.168
___________
1,000
4
Changing a Fraction to a Decimal

• Divide the denominator INTO the numerator.
• Add a decimal and some zeroes to the numerator.

5
.
6
2
5
5.000
8
-4 8
5
--gt
________
8
2
0
-16
4
0
-40
0
6
Comparing Fractions and Decimals

• To compare decimals, line them up by the decimal
  point and compare.
• To compare fractions, change them to decimals and
  then compare.

7
One last example
2
__
is the same as _______
2
1
__
__
5
0.40
4
5
1
___
is the same as _______
4
0.25
0.40 is greater than 0.25
8
Homework Time!