1A: Measures for the Two Roof Panels

Correct Responses

• All four measures correct:
  • Left roof panel: length 7, width 3.1 (within +/- 2mm) AND
  • Right roof panel: length 7, width 2.7 (within +/- 2mm)

Partial Responses

• Both measures for same panel are correct:
  • Left roof panel: length 7, width 3.1 (within +/- 2mm) OR
  • Right roof panel: length 7, width 2.7 (within +/- 2mm)

Incorrect Responses

• Any two measures correct (+/- 2mm)
• Only one measure correct (+/- 2mm)
• Other incorrect

1B: How to Convert Measurements

Correct Response

• Multiply measurements by 3

Incorrect Response

• Other

1C: Actual Measure of Left Side Wall

Correct Responses

• 15 cm and 9 cm shown
• 15 and 9 shown without units

Incorrect Responses

• 3 cm x 5 cm
• Multiplies by 3 but incorrect multiplication
• Other incorrect

1D: Least Number of Pieces to Measure

Correct Response

• 4

Incorrect Responses

• 3
• 6
• Other incorrect

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2A: Length and Width of Floor

Correct Response

• Length 17.4 cm and width 9.6 cm

Incorrect Responses

• Length 22.2 and width 9.6
• Length 7.4 and width 3.2
• Other incorrect

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2B: Actual Size of Floor

Correct Responses

• At least one side 17.4 cm and one side 9.6 cm (within +/- 2mm)
• Correct dimensions based on response to Part A (within +/- 2mm)

Incorrect Responses

• One dimension correct within +/- 2mm, other dimension incorrect
• Other incorrect

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