Fractions
What is a fraction? How can I
represent fractions of different sizes?
Standard
Understand a fraction 1/b as the quantity formed by 1 part when
a whole is partitioned into b equal parts; understand a fraction
a/b as the quantity formed by a parts of size 1/b. MCC3.NF.1
Unpack the standard:
Number Talk
BrainPopJr
• http://www.brainpopjr.com/math/fractions/b
asicpartsofawhole/preview.weml
What is a fraction?
• Fraction: a number that names part of a whole or
part of a group
• Numerator: the part of a fraction which tells how
many parts of the whole are being counted
• Denominator: the part of a fraction which tells
how many equal parts there are in the whole
Pattern Blocks
• Get out your yellow hexagon.
• How many trapezoids does it take to cover the
hexagon?
• What would be the fraction of 1 trapezoid in
the hexagon?
• Now get out one trapezoid.
• How many triangles does it take to cover the
trapezoid?
• What would be the fraction of 1 triangle in the
trapezoid?
Guided Math
• Now it is your turn to practice.
• Complete Pattern Block Relationships page
• Guided Math groups
Closing
• How do the relationships discovered with the
pattern blocks help us understand fractions?