Singapore Math

Primary 1

This course covers the foundational mathematical skills in whole numbers, addition and subtraction, multiplication and division, money, measurement, geometry, and basic statistics. Pupils will learn to work with numbers up to 100, understand place value, and apply basic arithmetic operations in simple contexts. The course also introduces early concepts of measurement using standard units, basic time-telling skills, recognition of 2D shapes, and interpretation of simple data using picture graphs.

Objectives

Understand and use numbers up to 100, including place value, ordering, and number patterns
Perform basic addition and subtraction within 100, and understand simple mental calculation strategies
Understand basic concepts of multiplication and division within small number ranges
Count and use money in cents and dollars in simple situations
Measure and compare length using centimetres, and tell time in 5-minute intervals
Identify, describe, and use basic 2D shapes in simple constructions
Read and interpret simple picture graphs to understand data

Course Info

PRIMARY 1
Chapter	Topic
Chapter 1	Numbers within 10
Chapter 2	Adding numbers within 10
Chapter 3	Subtracting Numbers within 10
	review 1
Chapter 4	Shapes
Chapter 5	Ordinal Numbers and Positions
	review 2
Chapter 6	Numbers within 20
Chapter 7	Adding and Subtracting Numbers within 20
	review 3
Chapter 8	Picture Graphs
Chapter 9	Numbers within 100
	review 4
	mid-year review
Chapter 10	Addition and Subtraction within 100
Chapter 11	Length
	review 5
Chapter 12	Multiplication
Chapter 13	Division
	review 6
Chapter 14	Time
Chapter 15	Money
	review 7
	final review

COURSE STRUCTURE

NUMBER AND ALGEBRA

SUB-STRAND: WHOLE NUMBERS

1. Numbers up to 100

1.1 counting to tell the number of objects in a given set

1.2 number notation, representations and place values (tens, ones)

1.3 reading and writing numbers in numerals and in words

1.4 comparing the number of objects in two or more sets

1.5 comparing and ordering numbers

1.6 patterns in number sequences

1.7 ordinal numbers (first, second, up to tenth) and symbols (1st, 2nd, 3rd, etc.)

2. Addition and Subtraction

2.1 concepts of addition and subtraction

2.2 use of +, – and =

2.3 relationship between addition and subtraction

2.4 adding more than two 1-digit numbers

2.5 adding and subtracting within 100

2.6 adding and subtracting using algorithms

2.7 mental calculation involving addition and subtraction

within 20
of a 2-digit number and ones without renaming
of a 2-digit number and tens

3. Multiplication and Division

3.1 concepts of multiplication and division

3.2 use of x

3.3 multiplying within 40

3.4 dividing within 20

SUB-STRAND: MONEY

1. Money

1.1 counting amount of money

in cents up to $1
in dollars up to $100

MEASUREMENT AND GEOMETRY

SUB-STRAND: MEASUREMENT

1. Length

1.1 measuring length in centimetres

1.2 use of abbreviation cm

1.3 comparing and ordering lengths in cm

1.4 measuring and drawing a line segment to the nearest cm

2. Time

2.1 telling time to 5 minutes

2.2 use of ‘am’ and ‘pm’

2.3 use of abbreviations h and min

2.4 duration of one hour/half hour

SUB-STRAND: GEOMETRY

1. 2D Shapes

1.1 identifying, naming, describing and classifying 2D shapes

rectangle
square
triangle
circle
half circle
quarter circle

1.2 forming different 2D figures with

rectangle
square
triangle
half circle
quarter circle

1.3 identifying the 2D shapes that make up a given figure

1.4 copying figures on dot grid or square grid

STATISTICS

SUB-STRAND: DATA REPRESENTATION AND INTERPRETATION

1. Picture Graphs

1.1 reading and interpreting data from picture graphs

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