Stage 2, mathematics, Year A – Unit 02

This unit introduces the big idea that addition and subtraction problems can be solved using a variety of strategies.

Syllabus

Syllabus outcomes and content descriptors from Mathematics K–10 Syllabus (2022) © NSW Education Standards Authority (NESA) for and on behalf of the Crown in right of the State of New South Wales, 2024.

Students are provided with opportunities to:

apply place value to partition and regroup numbers for addition and subtraction problem solving
recognise and explain the connection between addition and subtraction
select efficient strategies when solving problems.

Syllabus focus and content groups

Representing numbers using place value A – MAO-WM-01, MA2-RN-01

Whole numbers: Read, represent and order numbers to thousands
Whole numbers: Apply place value to partition and regroup numbers up to 4 digits

Representing numbers using place value B – MAO-WM-01, MA2-RN-01

Whole numbers: Apply place value to partition, regroup and rename numbers up to 6 digits

Additive relations A – MAO-WM-01, MA2-AR-01

Use the principle of equality
Recognise and explain the connection between addition and subtraction
Select strategies flexibly to solve addition and subtraction problems of up to 3 digits

Additive relations B – MAO-WM-01, MA2-AR-01

Partition, rearrange and regroup numbers to at least 1000 to solve additive problems

Resource

Stage 2, Year A – Unit 2 (DOCX 3741 KB)

Mathematics 3–6 units

Sample units to support implementation in Years 3–6 of the Mathematics K–10 Syllabus.

Stage 2, mathematics, Year A – Unit 03

This unit develops the big idea that what needs to be measured determines the unit of measurement.

Category:

Additive relations
Mathematics (2022)
Represents numbers using place value
Stage 2
Unit

Business Unit:

Curriculum and Reform