New Singapore Maths Curriculum (Scope And Sequence) For 4th Grade / Primary 4Since 2004, Singapore, the world's math leader, and most countries had completely switched from the old Singapore Math to the new and improved Singapore Math for 4th Grade / Primary 4. Find out why Singapore schools have switched completely to the new and improved Singapore Math. All the primary schools in Singapore, the world's math leader, are using the New Singapore Math textbook packages for 4th Grade / Primary 4. Primary Mathematics For 4th Grade / Primary 4 Package is based on the Old Singapore Math curriculum and is no longer used in any Singapore school since 2004. Below is what your child will learn in the New Singapore Math curriculum for 4th Grade / Primary 4. Whole numbers 
Number notation and place values  read and write numbers up to 100 000 in numerals and in words
 recognise the place values of numbers (ten thousands, thousands, hundreds, tens, ones)
 Include completing number sequences
 compare and order numbers up to 100 000

Approximation and estimation  round off numbers to the nearest 10 and 100
 estimate the answers in calculations involving addition, subtraction and multiplication
 Include checking reasonableness of answers

Factors and multiples  determine if a 1digit number is a factor of a given whole number
 list all factors of a whole number up to 100
 Include finding common factor of 2 numbers
 Excludefinding highest common factor (H. C. F.)
 determine if a whole number is a multiple of a given 1digit whole number
 list the first 12 multiples of a given 1digit whole number
 Include finding common multiple of 2 numbers
 Excludefinding lowest common multiple (L. C. M.)

Multiplication by a number up to 2 digits  multiply numbers up to
 4 digits by a 1digit number
 3 digits by a 2digit number

Division by a 1digit number and by 10  divide numbers up to 4 digits by a 1digit number and by 10

Word problems  solve up to 3step word problems involving whole numbers
 Include units of measure
 Include checking reasonableness of answers
Money and measures 
Multiplication and division of length, mass, volume and time  Multiply and divide in compound units
 Length
 Mass
 Volume
 Time
 Use whole numbers only
 Excludeseconds
 Numbers involved should be within easy manipulation

Multiplication and division of money  multiply and divide money in compound units using decimal notation

Units of measure of volume: cubic centimetre, cubic metre  build solids with unit cubes and state their volumes
 Excludeconversion between m^{3} and cm^{3}
 visualise the relative sizes of 1 cubic metre and 1 cubic centimetre

Volume of a cube / cuboid and liquid  use formula to find the volume of a cuboid
 Include use of abbreviations: m^{3} and cm^{3}
 Include finding the volume of the solid made up of unit cubes of given dimension
 Excludecompound units
 use formula to find volume of liquid in a rectangular container
 recognise the equivalence of 1 litre / 1000 ml and 1000 cm^{3}
 Include conversions between l, ml and cm^{3}

Area and perimeter of a square, a rectangle and their related figures  find the area/perimeter of a figure made up of squares and/or rectangles
 Include finding the area of a figure by subtraction of areas
 find one dimension of a rectangle given the other dimension and
 find the side of a square given
 its perimeter
 its area
 Excludeuse of the square root sign

Word problems  solve word problems involving
 volume of solids/liquid
 area and perimeter of squares and rectangles
Statistics 
Tables  complete a table from given information
 Include collecting data and presenting the data in a table form
 read and interpret tables

Bar graphs  complete a bar graph from given data

Word problems  solve problems using data presented in bar graphs and tables
Fractions 
Addition and subtraction  add and subtract
 like fractions
 related fractions
 Denominators of given fractions should not exceed 12
 Excludesums involving more than 2 different denominators

Product of a proper fraction and a whole number  recognise and name fractions as parts of a set of objects
 calculate the product of a proper fraction and a whole number

Mixed numbers and improper fractions  express an improper fraction as a mixed number, and vice versa
 Include expressing an improper fraction/mixed number in its simplest form

Word problems  solve up to 2step word problems involving fractions
 Include using unitary method to find the ‘whole’ given a fractional part
 Excludequestion such as ‘Express the number of girls as a fraction of the number of boys.’ as it will be dealt with under the topic ‘Ratio’
Decimals 
Number notation and place values  read and interpret decimals up to 3 decimal places
 Include use of the number line to illustrate the concept of decimals
 Include identifying the values of the digits in a decimal
 compare and order decimals

Addition and subtraction  add and subtract decimals up to 2 decimal places
 Include mental calculations involving addition and subtraction of 1digit whole numbers/tenths and tenths

Multiplication and division  multiply and divide decimals up to 2 decimal places by a 1digit whole number
 Include division of whole number by whole number with decimal answers
 Include rounding off answers to 2 decimal places
 Include checking reasonableness of answers
 carry out mental calculation within the multiplication tables

Conversion between decimals and fractions  express a decimal as a fraction, and vice versa

Approximation and estimation  round off decimals to
 the nearest whole number
 1 decimal place
 2 decimal places
 estimate the answers in calculations involving addition, subtraction and multiplication
 Include checking reasonableness of answers

Word problems  solve up to 2step word problems involving decimals
 Include rounding off answers to a specified degree of accuracy
 Include checking reasonableness of answers
Geometry 
Perpendicular and parallel lines  identify perpendicular and parallel lines
 draw perpendicular and parallel lines using ruler and set squares
 Include use of the terms ‘vertical’ and ‘horizontal’

Angles in degrees  estimate size of angles and measure angles in degrees using a protractor
 Excludeusing variable such as x^{o} to represent size of angle
 Excludereflex angles
 associate
 1/4 turn/right angle with 90^{o}
 1/2 turn with 180^{o}
 3/4 turn with 270^{o}
 draw a given angle using a protractor
 Excludedrawing reflex angles

Symmetry  recognise symmetric figures
 Include identifying and visualising symmetry in the environment or in designs
 Excluderotational symmetry
 determine whether a straight line is a line of symmetry of a figure
 Excludefinding the number of lines of symmetry of a symmetric figure
 complete a symmetric figure with respect to a given line of symmetry

Geometrical figures  identify and name the following figures:
 rectangle
 square
 parallelogram
 rhombus
 trapezium
 identify and name the following triangles:
 isosceles
 equilateral
 rightangled
 Excludeuse of the terms ‘scalene’, ‘acute’ and ‘obtuse’

Properties of a square and a rectangle  state and use properties of
 a square
 a rectangle
 Excludethe term ‘diagonal’ and its related properties
 Include finding angles and sides

2D representation of a 3D solid  visualise cubes and cuboids from drawings
 state the number of unit cubes that make up a solid
 visualise and identify the new solid formed by increasing/ decreasing the number of cubes of a given solid drawn on an isometric grid
 Excludeasking pupils to draw the solid on an isometric grid
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