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Pattern Blocks

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Region Relationships

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The green triangle is what fraction of the blue rhombus? 12

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The red trapezoid is what fraction of the yellow hexagon? 12

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How can and both be equivalent to ? 12

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The blue rhombus is what fraction of the yellow hexagon? 13

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The green triangle is what fraction of the red trapezoid? 13

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How can and both be equivalent to ? 13

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The green triangle is what fraction of the yellow hexagon? 16

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What pattern block represents when you use two yellow hexagons as the whole? 16

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How can two different pattern blocks both be equivalent to ? 16

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Now use two yellow hexagons as the whole.

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2 yellow hexagons = 1 whole. The yellow hexagon is what part of the whole? 12

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2 yellow hexagons = 1 whole. The red trapezoid is what part of the whole? 14

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2 yellow hexagons = 1 whole. The blue rhombus is what part of the whole? 16

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2 yellow hexagons = 1 whole. The green triangle is what part of the whole? 112

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Now use three yellow hexagons as the whole.

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3 yellow hexagons = 1 whole. The yellow hexagon is what part of the whole? 13

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3 yellow hexagons = 1 whole. The red trapezoid is what part of the whole? 16

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3 yellow hexagons = 1 whole. The blue rhombus is what part of the whole? 19

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3 yellow hexagons = 1 whole. The green triangle is what part of the whole? 118

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Using Pattern Blocks to Add and Subtract Fractions One yellow hexagon is equivalent to one whole.

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Show: Shade on each hexagon, combine like shapes. = =23

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Show: = =116

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Show: = =123

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Show: =16 =

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Show: = =316

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23-12

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23-12

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23-12 =16

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Using Pattern Blocks to Multiply Fractions One yellow hexagon is equivalent to one whole.

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Find of 1312 Show12 13 X12 Show13 of12 =16

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Double Hexagon Model Two yellow hexagons are equivalent to one whole.

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Find of 1312 Show12 13 X12 Show13 of12 =16

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1314 Show14 13 X14 Show13 of14 =112

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Using Pattern Blocks to Divide Fractions

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Find = Four hexagons represent 4. To divide by 1/3, think How many 1/3s are in 4?

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Find = Four hexagons represent 4. To divide by 2/3, think How many 2/3s are in 4?

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Find = Shade four and one half blocks Divide the shaded area into 3 equal parts

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Find = Shade two and two thirds blocks Think How many 2/3 are in 2 2/3?

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