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# Real number system foldable

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Foldables for the real number system

Foldables for the real number system

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### Transcript

• 1. Real Number System Foldable This Idea came from Dinah Zike's Foldables. Directions were revised by Jamal Hutchinson, Numeracy Coach Johnson/Baxter ALC, original by Barbara Broadway, Math Mentor at Maplewood High School
• 2. Materials
• 3. Materials Pre-Cut
• Dark Green 8 ½ in. x 11 in
• Yellow 8 ½ in. x 5 ½ in.
• Bright blue 4 ¼ in. x 5 ½ in.
• Beige 4 ¼ in. x 5 ½ in.
• Orange 4 ¼ in. x 5 ½ in.
• Light green 4 ¼ in. x 5 ½ in.
• Pink 4 ¼ in. x 5 ½ in.
• 4. Types of Folds
• 5. Hot dog fold light green
• Cut a window by cutting a ½ in from bottom to a ½ in to the long side to a ½ in from the top.
• Stop cutting. Don’t cut across on the top.
• 6. Hot dog fold orange
• Cut a window by cutting a ½ in from bottom to a ½ in to the long side to 1 in from the top.
• Stop cutting. Don’t cut across on the top.
• 7. Hamburger fold yellow sheet.
• Cut a window by cutting a ½ in from bottom to a ½ in to the long side to a ½ in from the top.
• Stop cutting. Don’t cut across on the top.
• 8. Assembly
• Slightly hamburger and hotdog fold the dark green sheet
• Center the pink sheet on the left side paper
• 9.
• Slightly hamburger and hotdog fold the dark green sheet
• Center the light blue sheet on the right side paper
• 10.
• Apply glue around the edges of the pink rectangle and lay the beige rectangle on it so that it opens from bottom to top.
• 11.
• Apply glue around the edges of the beige rectangle and lay the orange rectangle on it so that it opens from bottom to top.
• 12.
• Apply glue around the edges of the orange rectangle and lay the light green rectangle on it so that it opens from bottom to top.
• 13.
• Apply glue around the edges of the rectangle made up of the light green and bright blue rectangle
• No glue down the middle where they join
• Lay the yellow rectangle on them so that it opens from bottom to top.
• 14. Label
• Pink: N = Natural Numbers or Counting Numbers 1,2,3,4…
• Beige: W = Whole Numbers 0,1,2,3….
• 15.
• Orange: Z = Integers …-3,-2,-1,0,1,2,3…
• Light green: Q = Rational Numbers a/b a and b Z, b = 0
• 16.
• Bright blue Ir = Irrational Numbers non-terminating and non-repeating decimals, pi, square roots of non perfect squares, pattern decimals, golden ratio.
• Yellow: R = Real Numbers
• 17.
• All colors can be changed for another color.
• Only thing that matters is the folds and cuts.