Year 1 Mathematics – Term 1 (WA Curriculum): Place Value and More

What this unit covers

In Term 1, Year 1 Mathematics in the WA Curriculum centres on the unit “Place Value and More”.

Term 1 Mathematics for Year 1. Focus areas: place value, counting. Aligned with WA Curriculum v9.

Lesson sequence (40 lessons)

The unit breaks down into the following lesson-by-lesson sequence — each title below is a teachable lesson, in order:

1. Counting Collections of Objects from 1 to 10
2. Recognising and Writing Numerals 1 to 10
3. Ordering Numbers from 1 to 20
4. Counting Forward and Backward from Any Number to 20
5. Exploring Part-Part-Whole Relationships with Numbers to 5
6. Making Groups of 2 Using Concrete Materials
7. Partitioning Collections into Groups of 5
8. Creating Equal Groups of 10 with Everyday Objects
9. Representing Addition Stories with Role-Play and Concrete Materials
10. Exploring Taking Away Using Physical Objects
11. Identifying Australian Coins by Appearance and Value
12. Counting Collections from 21 to 50 Using Concrete Materials
13. Reading and Writing Two-Digit Numbers to 50
14. Partitioning Two-Digit Numbers into Tens and Ones
15. Creating Repeating Patterns with Two Different Objects
16. Continuing Patterns and Identifying the Repeat Unit
17. Exploring Equal Sharing of Collections into Two Groups
18. Creating Halves by Folding Paper Shapes
19. Adding Two Single-Digit Numbers Using Concrete Materials
20. Representing Number Stories with Pictures and Symbols
21. Counting and Recording Numbers from 51 to 80
22. Skip Counting by Tens to Find How Many in Large Collections
23. Exploring Different Ways to Make Numbers to 10
24. Identifying and Extending Colour and Shape Patterns
25. Representing Equal Groups Using Drawing and Symbols
26. Counting and Ordering Numbers from 81 to 120
27. Using Australian Notes to Represent Different Values
28. Solving Simple Addition and Subtraction Problems in Context
29. Directly Comparing Lengths of Classroom Objects
30. Ordering Three Objects from Shortest to Longest
31. Measuring Length Using Uniform Paper Clips
32. Comparing Lengths Using Different Informal Units
33. Directly Comparing Areas by Overlapping Shapes
34. Covering Shapes with Uniform Squares to Compare Areas
35. Identifying and Sorting Objects by One Attribute
36. Collecting Data About Our Class Favourites
37. Using Everyday Language to Describe What Might Happen
38. Recording Our Data Using Real Objects in Rows
39. Creating Picture Graphs with Simple Symbols
40. Comparing Groups in Our Picture Graphs

Curriculum codes in this unit

Content codes:

Reading the codes: WA codes (the ones starting with WA) pack the year level, learning area, strand and content number into one string, while the national Australian Curriculum v9 uses a different anatomy that starts with AC9 — same content family, different labels. Our complete WA Curriculum guide decodes both, character by character.

Planning notes for Term 1

WA terms run roughly 9–11 weeks, and in 2026 Term 1 runs from Monday 2 February to Thursday 2 April — 9 weeks for WA public schools. With 40 lessons in this unit, that leaves breathing room for assessment, moderation and the weeks that disappear to carnivals, camps and public holidays — plan the assessable work to land two to three weeks before the end of term rather than in the final week.