Students solve integer addition and subtraction problems within each triangle and color the sections based on the answer key provided at the top.

I'll solve this integer addition and subtraction coloring worksheet step by step. Let me work through each triangle carefully.

Let me calculate each expression:

Row 1:
- -8 + 8 = 0 → Light Blue
- -4 - (-4) = -4 + 4 = 0 → Light Blue
- 7 - 7 = 0 → Light Blue
- 4 + (-4) = 0 → Light Blue
- -5 - (-5) = -5 + 5 = 0 → Light Blue

Row 2:
- -6 - 3 = -9 → Yellow
- -4 - 5 = -9 → Yellow
- 0 + 0 = 0 → Light Blue
- 1 - 1 = 0 → Light Blue
- -6 + 6 = 0 → Light Blue

Row 3:
- 6 - 14 = -8 → Yellow
- -8 + (-1) = -9 → Yellow
- 3 - 5 = -2 → Yellow
- -2 + 2 = 0 → Light Blue
- 10 - 10 = 0 → Light Blue

Row 4:
- -3 + (-5) = -8 → Yellow
- -13 + 8 = -5 → Yellow
- 3 - 6 + 3 = 0 → Light Blue
- 8 - 8 = 0 → Light Blue
- -7 + 7 = 0 → Light Blue

Row 5:
- 4 - 12 = -8 → Yellow
- 5 - 7 = -2 → Yellow
- 4 - 7 = -3 → Yellow
- -3 + 5 = 2 → Dark Blue
- -1 + 1 = 0 → Light Blue

Row 6:
- 12 - 12 = 0 → Light Blue
- -6 + (-3) = -9 → Yellow
- -11 + (-11) = -22 → Brown
- -4 + 4 = 0 → Light Blue
- 6 - 6 = 0 → Light Blue
- 7 + (-7) = 0 → Light Blue

Row 7:
- 2 + (-2) = 0 → Light Blue
- -20 + 20 = 0 → Light Blue
- 16 - 16 = 0 → Light Blue

Row 8:
- -3 - (-3) = -3 + 3 = 0 → Light Blue
- 9 - 9 = 0 → Light Blue
- -9 - (-9) = -9 + 9 = 0 → Light Blue
- -14 + 14 = 0 → Light Blue

Row 9:
- 14 - 6 = 8 → Dark Blue
- 10 + (-3) = 7 → Dark Blue
- 7 + (-2) = 5 → Dark Blue
- 16 - 8 = 8 → Dark Blue
- -4 - (-12) = -4 + 12 = 8 → Dark Blue

Row 10:
- -8 + 9 = 1 → Dark Blue
- 6 + (-2) = 4 → Dark Blue
- -7 + (-2) = -9 → Yellow
- 4 - 3 = 1 → Dark Blue
- -8 - (-15) = -8 + 15 = 7 → Dark Blue

Row 11:
- -6 + 13 = 7 → Dark Blue
- 8 - 16 = -8 → Yellow
- 8 + (-3) = 5 → Dark Blue
- 7 - 4 = 3 → Dark Blue

Row 12:
- 9 + (-5) = 4 → Dark Blue
- 20 - 3 = 17 → Green
- 5 + 4 = 9 → Dark Blue
- 9 + 1 = 10 → Dark Blue

Row 13:
- 8 + 2 = 10 → Dark Blue
- -5 + 18 = 13 → Green
- 15 - 4 = 11 → Green
- 12 + (-5) = 7 → Dark Blue
- 16 - 7 = 9 → Dark Blue

Row 14:
- -5 + 7 = 2 → Dark Blue
- -10 + (-3) = -13 → Brown
- 3 + 9 = 12 → Green
- 3 + 2 = 5 → Dark Blue
- 3 - 12 = -9 → Yellow
- -8 - 2 = -10 → Yellow

Row 15:
- 7 - (-8) = 7 + 8 = 15 → Green
- -2 - (-13) = -2 + 13 = 11 → Green
- 9 + 5 = 14 → Green

Row 16:
- -4 + (-3) = -7 → Yellow
- -6 + 20 = 14 → Green
- 10 - (-3) = 10 + 3 = 13 → Green
- -5 + (-1) = -6 → Yellow
- 9 + (-11) = -2 → Yellow

Row 17:
- 2 - (-3) = 2 + 3 = 5 → Dark Blue
- 10 + 5 = 15 → Green
- -4 + 16 = 12 → Green
- 8 + (-6) = 2 → Dark Blue
- 15 - 5 = 10 → Dark Blue

Row 18:
- 9 + (-4) = 5 → Dark Blue
- 3 - 1 = 2 → Dark Blue
- 3 - (-9) = 3 + 9 = 12 → Green
- -1 + 5 = 4 → Dark Blue
- 1 + 4 = 5 → Dark Blue

Row 19:
- 10 - 6 = 4 → Dark Blue
- 7 - 5 = 2 → Dark Blue
- 5 - 2 = 3 → Dark Blue
- -14 - (-6) = -14 + 6 = -8 → Yellow
- 3 + 2 = 5 → Dark Blue
- -2 + 8 = 6 → Dark Blue
- 11 - 4 = 7 → Dark Blue
- 15 + (-5) = 10 → Dark Blue

Row 20:
- 9 + (-3) = 6 → Dark Blue
- 4 + 6 = 10 → Dark Blue
- 3 + 7 = 10 → Dark Blue
- 16 + (-8) = 8 → Dark Blue
- 7 - 1 = 6 → Dark Blue
- -4 + 13 = 9 → Dark Blue
- 7 - (-2) = 7 + 2 = 9 → Dark Blue
- 6 - (-3) = 6 + 3 = 9 → Dark Blue

Row 21:
- -8 - 4 = -12 → Brown
- -20 + 6 = -14 → Brown
- 8 - 19 = -11 → Yellow
- -23 + 5 = -18 → Brown
- -7 - 5 = -12 → Brown
- -10 - 5 = -15 → Brown
- -9 - 5 = -14 → Brown
- -8 - 8 = -16 → Brown

Row 22:
- -6 + (-5) = -11 → Yellow
- 5 - 18 = -13 → Brown
- -3 - 9 = -12 → Brown
- 6 + (-17) = -11 → Yellow
- -2 - 12 = -14 → Brown
- -13 + 2 = -11 → Yellow
- -7 - 8 = -15 → Brown
- -18 - (-3) = -18 + 3 = -15 → Brown
- -13 - (-2) = -13 + 2 = -11 → Yellow

Final Answer: The worksheet should be colored according to the color key based on these calculations. Most triangles will be Light Blue (0), with sections of Yellow (negative numbers -1 to -10), Dark Blue (positive 1 to 10), Green (11 to 20), and Brown (very negative numbers -11 to -20).