7.5 Fraction Addition and Subtraction

 1/6 of 30
 5/6 of 30
 9/6 of 30
 If a hexagon pattern block is the whole, what fractions
are represented by the trapezoid, the rhombus, and
the triangle?
WHOLE
 If a hexagon pattern block is the whole, what fractions
are represented by the trapezoid, the rhombus, and
the triangle?
WHOLE
1/2
1/3
1/6
 What number sentence would represent the shape we
made below.
1/2
WHOLE
1/6
1/3
 What number sentence would represent the shape we
made below.
1/2
WHOLE
1/6
 ½ + 1/3 + 1/6 = 1 whole
1/3
 2/6 + 1/6 =
 1/6 + 3/6 =
 1/3 + 1/3 =
 2/3 + 1/6 =
 1/3 + ½ =
 5/6 + 1/3 =
 5/6 – 2/3 =
 5/6 – 2/3 =
 Work on Page 198
 Recognizing Achievement:
 Recognizing student achievement: #1 Assess
students ability to use pattern blocks to solve fraction
addition problems. Show at least one combination of
pattern blocks that adds up to 1 and write an
appropriate number model.