Q BankQuestion BankDocsDocuments

1 Numbers and the number system

Syllabus
2017
Section
1
Level
Higher

Exam analysis

No tagged past-paper evidence yet

Published Concept pages under this syllabus area do not have tagged past-paper appearances in the selected level yet.

Recent 5 years

In this section

Topic 1.1

1.1 Integers

Objectives in this topic

1.1.A Integers

understand and use integers (positive, negative and zero)

1.1.B Place value

understand place value

1.1.C Directed numbers in practical situations

use directed numbers in practical situations e.g. temperatures

1.1.D Order integers

order integers

1.1.E The four rules of addition, subtraction, multiplication

use the four rules of addition, subtraction, multiplication and division

1.1.F Brackets and the hierarchy of operations

use brackets and the hierarchy of operations

1.1.G Odd, even, primes, factors and multiples

use the terms ‘odd’, ‘even’, ’prime numbers’, ‘factors’ and ‘multiples’

1.1.H Prime factors, common factors and common multiples

identify prime factors, common factors and common multiples

Topic 1.2

1.2 Fractions

Objectives in this topic

1.2.A Equivalent fractions and simplest form

understand and use equivalent fractions, simplifying a fraction by cancelling common factors and expressing it in its simplest form (lowest terms)

1.2.B Mixed numbers and vulgar fractions

understand and use mixed numbers and vulgar fractions

1.2.C Common denominators

identify common denominators

1.2.D Ordering fractions and fractions of quantities

order fractions and calculate a given fraction of a given quantity

1.2.E Express a given number as a fraction of another number

express a given number as a fraction of another number

1.2.F Adding and subtracting fractions

use common denominators to add and subtract fractions and mixed numbers

1.2.G Fractions, decimals and percentages

convert a fraction to a decimal or a percentage

1.2.H Unit fractions as multiplicative inverses

understand and use unit fractions as multiplicative inverses

1.2.I Multiplying and dividing fractions

multiply and divide fractions and mixed numbers

Topic 1.3

1.3 Decimals

Objectives in this topic

1.3.A Decimal notation

use decimal notation

1.3.B Place value

understand place value

1.3.C Order decimals

order decimals

1.3.D Converting terminating decimals

convert a decimal to a fraction or a percentage Terminating decimals only

1.3.E Terminating decimals as fractions

recognise that a terminating decimal is a fraction

1.3.HA Recurring decimals as fractions

convert recurring decimals into fractions

Topic 1.4

1.4 Powers and roots

Objectives in this topic

1.4.A Square numbers and cube numbers

identify square numbers and cube numbers

1.4.B Squares, square roots, cubes and cube roots

calculate squares, square roots, cubes and cube roots

1.4.C Index notation and index laws

use index notation and index laws for multiplication and division of positive and negative integer powers including zero

1.4.D Prime factor decomposition

express integers as a product of powers of prime factors

1.4.E Highest common factors (HCF) and lowest common

find highest common factors (HCF) and lowest common multiples (LCM)

1.4.HA Meaning of surds

understand the meaning of surds

1.4.HB Manipulating and rationalising surds

manipulate surds, including rationalising a denominator

1.4.HC Fractional and negative indices

use index laws to simplify and evaluate numerical expressions involving integer, fractional and negative powers

Topic 1.5

1.5 Set language and notation

Objectives in this topic

1.5.A The definition of a set

understand the definition of a set

1.5.B Set notation

use the set notation ∪, ∩, ∈ and ∉, with E for the universal set and ∅ for the empty set

1.5.C Universal and empty sets

understand the concept of the universal set and the empty set and the symbols for these sets

1.5.D Complements of sets

understand and use the complement of a set, using the notation A'

1.5.E Venn diagrams to represent sets

use Venn diagrams to represent sets

1.5.HA Algebraic sets and subsets

understand sets defined in algebraic terms, and understand and use subsets; if A is a subset of B, use A ⊂ B

1.5.HB Venn diagrams and numbers of elements

use Venn diagrams to represent sets and the number of elements in sets

1.5.HC The notation n(A) for the number of elements in the set

use the notation n(A) for the number of elements in the set A

1.5.HD Sets in practical situations

use sets in practical situations

Topic 1.6

1.6 Percentages

Objectives in this topic

1.6.A Meaning of percentage

Understand that a percentage is a number of parts per 100.

1.6.B Express a given number as a percentage of another number

express a given number as a percentage of another number

1.6.C Express a percentage as a fraction and as a decimal

express a percentage as a fraction and as a decimal

1.6.D Percentages as operators

understand the multiplicative nature of percentages as operators

1.6.E Simple percentage problems

solve simple percentage problems, including percentage increase and decrease

1.6.F Reverse percentages

use reverse percentages In a sale, prices were reduced by 30%. The sale price of an item was £17.50 Calculate the original price of the item

1.6.G Compound interest and depreciation

use compound interest and depreciation

1.6.HA Repeated percentage change

use repeated percentage change Calculate the total percentage increase when an increase of 30% is followed by a decrease of 20%

1.6.HB Compound interest problems

solve compound interest problems

Topic 1.7

1.7 Ratio and proportion

Objectives in this topic

1.7.A Ratio notation

use ratio notation, including reduction to its simplest form and its various links to fraction notation Express in the form 1 : n

1.7.B Divide a quantity in a given ratio or ratios Share £416

divide a quantity in a given ratio or ratios Share £416 in the ratio 5 : 3 or 4 : 3 : 1

1.7.C The process of proportionality to evaluate unknown

use the process of proportionality to evaluate unknown quantities

1.7.D Missing quantities in direct proportion

Calculate an unknown quantity when quantities vary in direct proportion, including completing a value table.

1.7.E Word problems about ratio and proportion

solve word problems about ratio and proportion Including maps and scale diagrams

Topic 1.8

1.8 Degree of accuracy

Objectives in this topic

1.8.A Round integers to a given power of 10

round integers to a given power of 10

1.8.B Rounding to significant figures or decimal places

round to a given number of significant figures or decimal places

1.8.C Upper and lower bounds

identify upper and lower bounds where values are given to a degree of accuracy

1.8.D Estimating numerical calculations

Use estimation, including rounding values to one significant figure, to evaluate numerical approximations.

1.8.HA Upper- and lower-bound problems

Solve upper- and lower-bound problems when values are given to a stated degree of accuracy.

Topic 1.9

1.9 Standard form

Objectives in this topic

1.9.A Standard form

calculate with and interpret numbers in the form a × 10ⁿ, where n is an integer and 1 ≤ a < 10

1.9.HA Problems involving standard form

solve problems involving standard form

Topic 1.10

1.10 Applying number

Objectives in this topic

1.10.A Applying number in everyday life

use and apply number in everyday personal, domestic or community life

1.10.B Calculations with metric units

Carry out calculations using metric units of mass, length, area, volume and capacity.

1.10.C Time, money and currency calculations

Carry out calculations with time and money, including currency conversion.

Topic 1.11

1.11 Electronic calculators

Objectives in this topic

1.11.A Using a scientific calculator

Use a scientific electronic calculator to determine numerical results.

ConceptIGCSE Math A Higher