Transcript Document
3-12
Wild Card Fractions
Lan
© 2014. Teacher to Teacher
Publications, Inc.
Rudy
3
8
Which is larger,
1
8
or
5
8
?
1
8
1
8
1
8
1
8
1
8
1
8
1
8
1
8
1
8
1
8
1
8
1
8
© 2014. Teacher to Teacher
Publications, Inc.
1
8
1
8
1
8
When denominators are the same,
which fraction is greater?
2
8
© 2014. Teacher to Teacher Publications,
Inc.
3
8
All parts are 1/8 of a whole.
Three parts, or 3/8, is more
than two parts or 2/8.
Group fractions by denominators
2
8
© 2014. Teacher to Teacher Publications,
Inc.
1
4
3
8
1
3
2
3
2
4
Which fraction is larger?
3
4
© 2014. Teacher to Teacher Publications,
Inc.
1
4
All parts are 1/4 of a whole. 3
parts, or 3/4, is more than 1
part or 1/4.
Can you put these in order from
smallest to largest?
3
4
1
4
<
© 2014. Teacher to Teacher Publications,
Inc.
2
4
<
Now put a matching fraction picture
card by each number card.
1
4
© 2014. Teacher to Teacher Publications,
Inc.
2
4
3
4
Warm Up
Sort by Denominator
Materials: Fraction Numbers Cards, Fraction Picture Cards, “>”
card
Object: Sort fraction cards into sets with the same denominator.
Rules:
• Arrange the cards in each set from smallest to largest.
• Put the “>” or “<” symbol between each fraction.
• Then put a matching Fraction Picture Card below each Fraction
Number Card.
• Describe how picture and number cards match.
© 2014. Teacher to Teacher Publications,
Inc.
3
8
Which is greater,
1
8
1
8
1
8
1
8
1
8
1
8
1
8
© 2014. Teacher to Teacher
Publications, Inc.
1
8
or
3
4
1
4
1
4
?
1
4
1
4
Group fractions by numerators
2
8
© 2014. Teacher to Teacher Publications,
Inc.
1
4
2
4
3
8
3
6
1
3
When numerators are the same, which
fraction is greater?
1
8
© 2014. Teacher to Teacher Publications,
Inc.
1
3
1/8 of a whole is a smaller part
than 1/3 of a whole. If you have
1 of each part, the smaller part
has the larger denominator.
When numerators are the same, which
fraction is greater?
2
8
© 2014. Teacher to Teacher Publications,
Inc.
2
4
1/8 of a whole is a smaller part
than 1/4 of a whole. If you have
two of smaller parts, that is less
than two of larger parts.
Put these in order from smallest to
largest.
2
3
2
8
<
© 2014. Teacher to Teacher Publications,
Inc.
2
4
<
Now put a matching fraction picture
card by each number card.
2
8
© 2014. Teacher to Teacher Publications,
Inc.
2
4
2
3