Year 1 - Maths
Ordinal numbers
Counting, recognising and comparing numbers 0 - 10
Study Hub
Study Guides
This pupil-friendly study guide includes a unit summary, clear notes, common mistakes, and quick questions with answers.
Unit Summary
In this unit pupils will review their knowledge from the EYFS of counting in all its forms to and from 10. They will compare and order numbers to 10 practically and will consider the role of zero to represent nothing.
Lesson Summary
You will learn to say ordinal numbers and use them to describe position.
Key Notes
- Know the ordinal number names are first, second, third, fourth and fifth.
- Know that ordinal numbers can be used to describe position in relation to something.
- Understand how ordinal numbers are different from cardinal numbers.
Vocabulary To Learn
- First: First means before anything else.
- Second: Second is the position or object which comes after the first one.
- Third: Third is the position or object which comes after the second one.
- Fourth: Fourth is the position or object which comes after the third one.
- Fifth: Fifth is the position or object which comes after the fourth one.
Common Mistakes To Avoid
- May initially struggle with first and second as they do not contain the number names one and two.
3 Quick Questions (With Answers)
1. Solve this in steps: explain the method from this lesson and why each step matters.
Know the ordinal number names are first, second, third, fourth and fifth. Know that ordinal numbers can be used to describe position in relation to something.
2. Use this key word in a maths sentence and explain it clearly. 'First'
First means before anything else. Use this word when showing your method, then check your final answer is reasonable.
3. Spot and fix this common maths mistake.
Mistake: May initially struggle with first and second as they do not contain the number names one and two. Correction: Link these names to their shortened written forms (1st and 2nd) so children can see their relationship to one and two.
More Lessons In This Unit
- Anything can be counted Study Guide
- Conservation Study Guide
- Counting different groups Study Guide
- Counting forwards and backwards within 10 Study Guide
- Counting objects within ten Study Guide
- Finding the missing numbers Study Guide
- Introducing zero Study Guide
- More than and fewer than Study Guide
- One less with manipulatives and counting Study Guide
- One more with manipulatives and counting Study Guide
- Ordering numbers to 10 Study Guide
- Representing counting songs Study Guide
- Subitising numbers to five Study Guide
- Using numerals Study Guide
Browse all guides in the Year 1 Maths guide library.