Comparing and Ordering Numbers to 20
Using comparative language and symbols to order numbers up to 20 from smallest to largest and vice versa.
Key Questions
- Justify the use of specific symbols (<, >, =) when comparing numbers.
- Evaluate different strategies for ordering a set of numbers.
- Predict where a new number would fit in an already ordered sequence.
ACARA Content Descriptions
Suggested Methodologies
Ready to teach this topic?
Generate a complete, classroom-ready active learning mission in seconds.
Planning templates for Mathematics
5E Model
The 5E Model structures lessons through five phases (Engage, Explore, Explain, Elaborate, and Evaluate), guiding students from curiosity to deep understanding through inquiry-based learning.
unit plannerMath Unit
Plan a multi-week math unit with conceptual coherence: from building number sense and procedural fluency to applying skills in context and developing mathematical reasoning across a connected sequence of lessons.
rubricMath Rubric
Build a math rubric that assesses problem-solving, mathematical reasoning, and communication alongside procedural accuracy, giving students feedback on how they think, not just whether they got the right answer.
More in Number Sense and Counting Systems
Counting to 20: Forward and Backward
Practicing counting forwards and backwards within 20, focusing on number sequence and recognition.
2 methodologies
Counting to 100: Forward and Backward
Investigating how numbers grow and the patterns found in the hundreds chart, practicing counting forwards and backwards.
2 methodologies
Representing Numbers to 20
Using concrete materials, pictures, and numerals to represent numbers up to 20.
2 methodologies
Place Value: Tens and Ones
Developing an understanding of place value by grouping objects into tens and ones, representing numbers up to 100.
3 methodologies
Partitioning Numbers to 100
Breaking down two-digit numbers into tens and ones, and exploring other ways to partition numbers.
2 methodologies