Mathematics B Online Marker Training

Course materials

Question 1

• 12.36 has been stated as the value of 𝑎.
• Mathematical rules and/or procedures have been selected that could enable 𝑏 to be determined. (numerical errors may be present)
• The value 𝑏 is the result of the correct application of mathematical procedures.

This question is taken from the sample instrument, paper 2, question 1.

The focus is on the Knowledge and Procedures criterion, KAP.

Make judgments on the following statements:

Question 2

• Reasoning has been used to explain where the median value is located in the stem-and-leaf plot.
• Calculations have been used to explain the value of 𝑥, or the age.

This question is taken from the sample instrument, paper 1, question 8.

The focus is on the Communication and Justification criterion, CAJ. Note that student answers do not need to be correct when making judgments in CAJ.

Make judgments on the following statements:

Question 3

• The height value √𝟑 or 1.73 has been stated.
• The cosine rule has been correctly stated.
• Appropriate values have been substituted into a chosen rule and used correctly.
• The value of cos 𝜃 been stated as 1/3 or 0.33.
• The value of angle 𝜃 has been stated as 70.53°, allowing for follow-through error.

This question is taken from the sample instrument, paper 2, question 6.

The focus is on the Modelling and Problem Solving criterion, MAP.

Make judgments on the following statements: