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Edexcel IGCSE Math A 1.1.C directed numbers in practical situations

Practise directed-number questions by reading temperature diagrams, comparing cities and calculating missing or lower temperatures.

Syllabus
First assessment 2018
Course
Math A 4MA1
Level
Foundation

Exam points

  • Calculate a missing temperature from comparison phrases such as greater than or lower.
  • Find the difference between two temperatures, including values below zero.
  • Interpret a thermometer or temperature list to mark values or choose the lowest value.

1.1.C Directed numbers in practical situations question 1

[Maximum number: 3]

The table gives the average January temperatures for five cities.

Table for Question 1.1.C Directed numbers in practical situations question 1 — Edexcel IGCSE Math A Foundation

Here are the temperatures in ∘C{ }^{\circ} \mathrm{C}

−824−312−14\begin{array}{lllll} -8 & 24 & -3 & 12 & -14 \end{array}

Question (a)

(a)

Work out the difference between the January temperature in Yinchuan and the January temperature in Valencia. ∘C{ }^{\circ} \mathrm{C}

The January temperature in Winnipeg is 13∘C13^{\circ} \mathrm{C} lower than the January temperature in Tallinn.

[ 1 ]

Question (b)

(b)

Work out the January temperature in Winnipeg. ∘C{ }^{\circ} \mathrm{C}

The January temperature in Austin is 25∘C25^{\circ} \mathrm{C} higher than the January temperature in Saskatoon.

[ 1 ]

Question (c)

(c)

Work out the January temperature in Austin. ∘C{ }^{\circ} \mathrm{C}

[ 1 ]
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