Using a number bonds carpet to explain part and whole
A number bonds carpet can help pupils discuss how a whole quantity is composed of parts. Check the representations actually printed on it and align them with the teaching sequence. Use matching objects or cards where appropriate, and ask pupils to explain the relationship rather than only naming a missing number.
Inspect the mathematical representation
Look at the numbers, symbols and visual groupings on the carpet. Establish which whole quantities and part combinations are shown, and whether their arrangement needs explanation before pupils use it. Do not assume every number-bond carpet follows the same range or diagram style.
Check that the printed elements are readable from the intended group positions. Provide a matching tabletop representation for pupils who need another working position or a closer view. Keep the model consistent across resources so attention stays on the mathematical relationship rather than a change in notation.
Ask for more than a recalled answer
Choose a displayed whole and cover or indicate one part. Ask pupils to identify the missing part and explain how they know. Where suitable, use a counted collection of appropriate objects to demonstrate the relationship, then connect that demonstration back to the printed notation.
For example, pupils can compare two ways of separating the same small collection and describe what stays unchanged. Invite them to predict another possible pair and check it. Keep the pace slow enough for explanations; a rapid naming game may conceal whether pupils understand the relationship or have simply remembered a sequence of answers.
Plan floor use and reset
Arrange the group so the relevant part of the carpet remains visible. Avoid placing equipment or seating over the model being discussed. Use suitable markers and collect all objects before the area returns to another classroom activity.
Follow the manufacturer’s cleaning and floor-placement instructions. Inspect the printed symbols and edges routinely, because a worn sign or numeral can change how a representation is read. Keep accompanying objects and cards in a counted teaching kit. Review the activity as pupils progress, using the carpet for comparison and explanation rather than repeating a task that no longer provides useful challenge.
Action checklist
- Check the exact quantities and notation printed.
- Provide a consistent alternative representation where needed.
- Ask pupils to explain how parts make the whole.
- Collect objects and inspect symbols and edges after use.
Common questions
Should number-bond work focus on speed?
Accurate recall can develop alongside understanding, but use the carpet to hear explanations and compare representations. Speed alone does not show how a pupil understands the relationship.
Sources and scope
Source titles are provided for reference. Check the current original guidance and your school's circumstances before making a policy or compliance decision.
- Schools Direct editorial — Original school resource planning guidance and worked examples. Checked 1 November 2026.