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Edexcel IGCSE Math A 1.1 integers

Use integer questions to read place value, compare temperatures, apply order of operations and work with factors or multiples.

Syllabus
First assessment 2018
Course
Math A 4MA1
Level
Foundation

Exam points

  • Read place value from figures, words or number lines, including thousands and hundreds.
  • Calculate with directed temperatures and choose the lowest value or difference.
  • Apply operation order, primes, factors, multiples and common multiples in short tasks.

Covered syllabus points

1.1.A Integers1.1.B Place value1.1.C Directed numbers in practical situations1.1.D Order integers1.1.E The four rules of addition, subtraction, multiplication1.1.F Brackets and the hierarchy of operations1.1.G Odd, even, primes, factors and multiples1.1.H Prime factors, common factors and common multiples

1.1 Integers question 1

[Maximum number: 2]

The diagram shows part of a number line.

Figure for Question 1.1 Integers question 1 — Edexcel IGCSE Math A Foundation

Question (a)

(a)

Write down the number marked with the arrow.

[ 1 ]

Question (b)

(b)

On the diagram below, draw an arrow to show a temperature of 240∘C240^{\circ} \mathrm{C}

Figure for Question (b) — Edexcel IGCSE Math A Foundation
[ 1 ]

1.1 Integers question 2

[Maximum number: 4]

Cho finds this information about the areas, in square kilometres, of some South American countries.

Table for Question 1.1 Integers question 2 — Edexcel IGCSE Math A Foundation

Question (a)

(a)

Which of these countries has the largest area?

[ 1 ]

Question (b)

(b)

Write the number 163800 in words.

[ 1 ]

Question (c)

(c)

Circle the word that describes the value of the 7 in 406752

7 tenths 7\quad 7 tens 7\quad 7 hundreds 7\quad 7 hundredths 7\quad 7 thousandths

[ 1 ]

Question (d)

(d)

Work out the difference between the area of Chile and the area of Uruguay.

[ 1 ]

1.1 Integers question 3

[Maximum number: 4]

The table gives the average January temperatures for five cities.

Table for Question 1.1 Integers question 3 — 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)

Write these numbers in order of size.

Start with the smallest number.

[ 1 ]

Question (b)

(b)

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 (c)

(c)

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 (d)

(d)

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

[ 1 ]
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