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Pattern Blocks. Region Relationships The green triangle is what fraction of the blue rhombus? 12.

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Presentation on theme: "Pattern Blocks. Region Relationships The green triangle is what fraction of the blue rhombus? 12."— Presentation transcript:

1 Pattern Blocks

2 Region Relationships

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

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

5 How can and both be equivalent to ? 12

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

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

8 How can and both be equivalent to ? 13

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

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

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

12 Now use two yellow hexagons as the whole.

13 2 yellow hexagons = 1 whole. The yellow hexagon is what part of the whole? 12

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

15 2 yellow hexagons = 1 whole. The blue rhombus is what part of the whole? 16

16 2 yellow hexagons = 1 whole. The green triangle is what part of the whole? 112

17 Now use three yellow hexagons as the whole.

18 3 yellow hexagons = 1 whole. The yellow hexagon is what part of the whole? 13

19 3 yellow hexagons = 1 whole. The red trapezoid is what part of the whole? 16

20 3 yellow hexagons = 1 whole. The blue rhombus is what part of the whole? 19

21 3 yellow hexagons = 1 whole. The green triangle is what part of the whole? 118

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

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

24 Show: = =116

25 Show: = =123

26 Show: =16 =

27 Show: = =316

28 23-12

29 23-12

30 23-12 =16

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

32 Find of 1312 Show12 13 X12 Show13 of12 =16

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

34 Find of 1312 Show12 13 X12 Show13 of12 =16

35 1314 Show14 13 X14 Show13 of14 =112

36 Using Pattern Blocks to Divide Fractions

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

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

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

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

41

42 Corrections or suggestions for this presentation? Please both to: or

43 ALL RIGHTS RESERVED © 2009

44


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