Mental Maths 4 - Key Maths Topics - With Answers - Cambridge

Sep 29, 2026

Mental Maths 4 (with answers) presents a structured overview of core numeracy skills for early learners, covering number understanding (including writing numerals to ten million, place value, rounding, and negative numbers in context), and arithmetic operations such as addition and subtraction facts, series of single digits, and multiplication and division up to specified ranges. It also includes fractions and percentages, simple patterns, measurement conversions, shape and space (perimeters, areas, volumes, and angles), and basic data averages, supported by guided questions.

LanguageEnglish

CategoryExam

FormatPDF

Pages40

Reading Time1 h 41 min

AccessFree to download

General scope of Mental Maths 4

Understanding of number

Addition and subtraction

Multiplication and division

Fractions and percentages

Patterns

Measures

Shape and space

Handing data

Mental Maths 4 Anita Straker With Answers CAMBRIDGE | General scope of Mental Maths 4 | | | --- | --- | | Understanding of number | Writing numerals up to ten million.
Writing tenths and hundredths as decimals.
Place value:e.g.ordering numbersrounding to the
nearest 10,100 or whole number.
Approximating calculations by rounding.
Negative numbers in context. | | Addition and subtraction | Addition and subtraction facts to 20.
Addition and subtraction of pairs of two-digit numbers.
Addition of a series of single digits. | | Multiplication and division | Multiplication and division to 10×10,then 12×12.
Division with remainders as fractions or decimals.
Doubles and halves of two-and three-digit numbers.
Multiplying and dividing up to three-digit numbers by 10,
100 or 1000. | | Fractions and percentages | Simple fractions and percentages. | | Patterns | Simple difference patterns.
Square,cube,factor,multiple,prime. | | Measures | Standard units of time.
Estimates and simple calculations with metric units,
including conversion from one metric unit to another.
Imperial units in common use(miles,yards,feet,inches,
pounds and ounces,gallons and pints).
Simple conversions between metric and imperial units. | | Shape and space | Simple perimeters,areas and volumes.
Acute,obtuse and reflex angles.
Further 2D shapes (kite,trapezium,parallelogram).
Solids produced by rotations of plane shapes. | | Handing data | Calculations of simple averages. | Mental Maths 4 Anita Straker Published in South Asia by Foundation Books4764/2A,23 Ansari RoadDaryaganj,New Delhi-110002 ◎ Cambridge University PressFirst South Asian Edition 2004 ISBN 81-7596-199-6(Paperback)Special edition for sale in South Asia only,not for export elsewhere. This book is in copyright.Subject to statutory exception and to theprovision of relevant collective licensing agreements,no reproductionof any part may take place without the written permission ofCambridge University Press. This edition of“Anita Straker/Mental Maths 4”is published by arrangement with Cambridge University Press,The Edinburgh Building,Shaftesbury Road,Cambridge CB22RU,UK. Published by Manas Saikia for Foundation Books and printed atReplika Press Pvt.Ltd. 1 100-26. 2 Seven sixes. 3 Treble 5. 4 35×2. 5 27+43. 1 Add the odd numbers between 8 and 14. 2 Does my car hold 40 litres or 40 millitres of petrol in its tank? 3 Write two thousand and seventeen in figures. 5 The bus had 32 people on it.8 got off and 9 got on.How many were on the bus then? 6 What number divided by 7 gives 7? 7 4 toffees cost Rs 8.How much are 12 toffees? 8 What is twice the sum of 7 and 15? 9 I have seven 50p coins.If I spend Rs 2.50,how much is left? 10 How many trianglescan you see altogether? 6 How many metres is 321 cm?7 9÷2.8 □×4=44.9 Add 3,8 and 5.10 Approximately,what is 21×19? 4 Lalit and Rohit shared Rs 5 and Rs 10 equally between them.How much did each of them get? Copy the diagram. Use each of the numbers 1 to 8.Write one number in every square and circle. A number in a square must equal the sum of the two numberson each side of it. 6 How many paise is Rs 5.50?7 300-250.8 Add 4,9 and 7.9 7×9.10 90÷3. 1 72-44. 2 10÷4. 3 Double 29. 4 9×5+4. 5 38+55. 1 20 bottles fill a crate.How many full crates will 90 bottles make? 2 If 5 sharpners cost Rs 15,what will 20 cost st? 3 It is 240 km from here to Chennai.How far is it there and back? 4 Does my new baby sister weight3 kg,30 kg or 300 g? 5 What is the average of 3,10 and 5? 6 If 9×17=153,what is 9×18? 7 Put in order,smallest first:0.9,1.3,0.27. 8 Which area is less:a page of this book or 1 9 Approximately,what is double 159? 10 Egg boxes hold a dozen eggs.How many boxes are needed for 50 eggs? 0 cm²? 6 Twice twenty-five. 1 27+29. 7 Ad

FAQs

What number skills are included in Mental Maths 4?

Learners practice writing numerals up to ten million, decimals (tenths and hundredths), place value, ordering numbers, rounding to the nearest 10/100/whole number, approximation by rounding, and negative numbers in context.

What multiplication and division topics are covered?

The book covers multiplication and division up to 10×10 (then 12×12), division with remainders expressed as fractions or decimals, doubles and halves of two- and three-digit numbers, and multiplying/dividing by 10, 100, or 1000.

Does the book include measurement, geometry, and data?

Yes. It includes time and metric/imperial conversions, simple perimeters/areas/volumes plus angles and 2D/3D shape properties, and calculations of simple averages for handling data.

Sep 29, 2026

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