# Singapore Mathematics - Primary 3

Topic/Sub-topic Content Learning Outcomes
1 Whole numbers
1.1 Numbers up to 10 000 Include:
• number notation and place values (thousands, hundreds, tens, ones),
• reading and writing numbers in numerals and in words,
• comparing and ordering numbers,
• odd and even numbers,
• number patterns.
1.2 Addition and subtraction Include:
• addition and subtraction of numbers up to 4 digits,
• use of the terms ‘sum’ and ‘difference’,
• solving up to 2-step word problems involving addition and subtraction.
1.3 Mental calculation   Include:
• addition and subtraction involving two 2-digit numbers,
• multiplication and division within the multiplication tables.
1.4 Multiplication and division   Include:
• building up the multiplication tables of 6, 7, 8 and 9 and committing to memory,
• use of the terms ‘product’, ‘quotient’ and ‘remainder’,
• multiplication and division within the multiplication tables,
• division with remainder,
• multiplication and division of numbers up to 3 digits by 1 digit,
• solving up to 2-step word problems involving the 4 operations
2 Fractions
2.1 Equivalent fractions Include:
• recognising and naming equivalent fractions,
• listing the first 8 equivalent fractions of a given fraction,
• writing the equivalent fraction of a fraction given the denominator or the numerator,
• expressing a fraction in its simplest form,
• comparing fractions with respect to half,
• comparing and ordering unlike fractions

(Denominators of given fractions should not exceed 12.)

2.2 Addition and subtraction Include:
• addition and subtraction of two related fractions within one whole.

(Denominators of given fractions should not exceed 12.)

3 Decimals
4 Percentages
5 Ratios
6 Measurement
6.1 Length, mass and volume Include:
• measurement of
• length in kilometres (km),
• volume of liquid in millilitres (ml),
• measurement of length/ mass/ volume (of liquid) in compound units,
• conversion of a measurement in compound units to the smaller unit, and vice versa,
• kilometres and metres,
• metres and centimetres,
• kilograms and grams,
• litres and millilitres.
• solving word problems involving length/ mass/ volume/ capacity

Exclude:
Exclude the 4 operations and word problems involving compound units

6.2 Time Include:
• telling and writing time to 1 minute,
• use of the terms ‘past’ and ‘to’, e.g. ’10 minutes past 5’ and ’15 minutes to 12’,
• measurement of time in hours and minutes,
• conversion of time in hours and minutes to minutes only, and vice versa,
• finding the duration of a time interval,
• finding the starting time/ finishing time,
• solving word problems involving addition and subtraction of time given in hours and minutes
6.3 Money Include:
• addition and subtraction of money in decimal notation,
• solving word problems involving addition and subtraction of money in decimal notation.
6.4 Area and perimeter
• concepts of area and perimeter of a plane figure,
• measurement of area in square units,
• measurement of area in square centimetres (cm2) / square metres (m2),
• calculation of the perimeter of
• rectilinear figure
• rectangle
• square
• use of formula to calculate the area of a rectangle/ square,
• solving word problems involving the area/ perimeter of squares and rectangles.
7 Geometry
7.1 Perpendicular and parallel lines Include:
• identifying and naming perpendicular and parallel lines,
• drawing perpendicular and parallel lines on square grids.
• angle as an amount of turning,
• identifying angles in 2-D and 3-D objects,
• identifying angles in 2-D figures,
• identifying right angles, angles greater than/ smaller than a right angle.

Exclude:

• use of the terms ‘acute’, ‘obtuse’ and 'reflex’ angles
8 DATA ANALYSIS
8.1 Bar graphs   Include:
• reading and interpreting bar graphs in both horizontal and vertical forms,