If the yellow hexagon = 1, then the red trapezoid = 1/2, the blue rhombus = 1/3, and the green triangle = 1/6. Use pattern blocks to solve the following:
1. 1 red + 3 green = 1 red + 1 red = 3 green + 3 green =
1/2 + 3/6 = 1/2 + 1/2 = 3/6 + 3/6 =
2. 1 red + 1 blue = ___ green + ___ green =
1/2 + 1/3 = ___ + ___ =
3. 1 blue + 1 green = ___ + ___ =
1/3 + 1/6 = ___ + ___ = ___ =
4. 1 red - 1 blue = ___ - ___ =
1/2 - 1/3 = ___ - ___ = ___
5. 1 red - 1 green = ___ - ___ =
1/2 - 1/6 = ___ - ___ = ___ =