# Singapore Mathematics - Primary 4

Topic/Sub-topic Content Learning Outcomes
1 Whole numbers
1.1 Numbers up to 100 000 Include:
• number notation and place values (ten thousands, thousands, hundreds, tens, ones),
• reading and writing numbers in numerals and in words,
• comparing and ordering numbers,
• number patterns,
• rounding off numbers to the nearest 10 or 100,
• use of the approximation symbol (≈).
1.3 Factors and multiples   Include:
• determining if a 1-digit number is a factor of a given number,
• listing all factors of a given number up to 100,
• finding the common factors of two given numbers,
• recognising the relationship between factor and multiple,
• determining if a number is a multiple of a given 1-digit number,
• listing the first 12 multiples of a given 1-digit number,
• finding the common multiples of two given 1-digit numbers.
2 Fractions
2.1  Mixed numbers and improper fractions Include:
• concepts of mixed numbers and improper fractions,
• expressing an improper fraction as a mixed number, and vice versa,
• expressing an improper fraction/mixed number in its simplest form.

(Denominators of given fractions should not exceed 12.)

• like fractions,
• related fractions

(Denominators of given fractions should not exceed 12.)

Exclude:
• calculations involving more than 2 different denominators
2.3  Fraction of a set of objects Include:
• interpretation of fraction as part of a set of objects
2.4 Multiplication Include:
• multiplication of a proper/improper fraction and a whole number,
• solving up to 2-step word problems involving addition, subtraction and multiplication,
• using unitary method to find the whole given a fractional part.
3 Decimals
2.1 Decimals up to 3 decimal places   Include:
• notation and place values (tenths, hundredths, thousandths),
• identifying the values of the digits in a decimal,
• use of the number line to display decimals,
• comparing and ordering decimals,
• conversion of a decimal to a fraction,
• conversion of a fraction whose denominator is a factor of 10 or 100 to a decimal,
• rounding off decimals to
• the nearest whole number,
• 1 decimal place,
• 2 decimal places.
• addition and subtraction of decimals (up to 2 decimal places),
• estimation of answers in calculations,
2.3 Multiplication and division   Include:
• division of a whole number by a whole number with answer in decimal form,
• multiplication and division of decimals (up to 2 decimal places) by a 1-digit whole number,
• solving up to 2-step word problems involving the 4 operations,
• rounding off answers to a specified degree of accuracy,
• estimation of answers in calculations,
4 Percentages
5 Ratios
6 Measurement
6.1 Length, mass and volume
6.2 Time Include:
• measurement of time in seconds (s),
• 24-hour clock,
• solving word problems involving time in 24-hour clock.
6.3 Money
• multiplication and division of money in decimal notation,
• solving word problems involving the 4 operations of money in decimal notation.
6.4 Area and perimeter
• finding the area of a composite figure made up of rectangles and squares,
• finding one dimension of a rectangle given the other dimension and its area/ perimeter,
• finding the length of one side of a square given its area/ perimeter,
• solving word problems involving the area/ perimeter of squares and rectangles.
Exclude:
• use of the symbol √
7 Geometry
7.1 Perpendicular and parallel lines Include:
• drawing of perpendicular and parallel lines using ruler and set squares,
• use of the terms ‘vertical’ and ‘horizontal’
7.2 Angles Include:
• using notation such as ∠ABC and ∠x to name angles,
• estimation and measurement of angles in degrees,
• drawing an angle using a protractor,
• associating
• ¼ turn/right angle with 90°
• ½ turn with 180°
• ¾ turn with 270°
• a complete turn with 360°
• 8-point compass
Exclude:
• use of the symbol √
7.3 Rectangle and square Include:
• properties of rectangle and square,
• finding unknown angles
Exclude:
• the term ‘diagonal’ and its related properties,
• finding angles involving additional construction of lines.
7.4 Symmetry Include:
• identifying symmetric figures,
• determining whether a straight line is a line of symmetry of a symmetric figure,
• completing a symmetric figure with respect to a given horizontal/vertical line of symmetry,
• designing and making patterns
Exclude:
• finding the number of lines of symmetry of a symmetric figure,
• rotational symmetry
7.5 Tessellation Include:
• recognising shapes that can tessellate,
• identifying the unit shape in a tessellation,
• making different tessellations with a given shape,
• drawing a tessellation on dot paper,
• designing and making patterns.
8 DATA ANALYSIS
8.1 Tables   Include:
• completing a table from given data,