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Date May 2018 Marks available 4 Reference code 18M.1.SL.TZ2.T_4
Level Standard Level Paper Paper 1 Time zone Time zone 2
Command term Complete Question number T_4 Adapted from N/A

Question

The following table shows four different sets of numbers: N , Z , Q and R .

Complete the second column of the table by giving one example of a number from each set.

[4]
a.

Josh states: “Every integer is a natural number”.

Write down whether Josh’s statement is correct. Justify your answer.

[2]
b.

Markscheme

* This question is from an exam for a previous syllabus, and may contain minor differences in marking or structure.

(A1)(A1)(A1)(A1)(C4)

[4 marks]

 

a.

Incorrect     (A1)

Natural numbers are positive integers. Integers can also be negative. (or equivalent)     (R1) (C2)

Note: Accept a correct justification. Do not award (R0)(A1).
Accept: a statement with an example of an integer which is not natural.

[2 marks]

b.

Examiners report

[N/A]
a.
[N/A]
b.

Syllabus sections

Topic 1—Number and algebra » SL 1.4—Financial apps – compound interest, annual depreciation
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Topic 1—Number and algebra
Prior learning

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