Expanding Number Line (opens in a new tab)
Choose Locate a number, set Placement to Approximate estimate and Labels to Endpoints. Try a fresh placement and explain it using the surrounding marks and halfway.
Open the tool (opens in a new tab)Year 5 · Place value · 1:45 · Short worked example
Use interval values and a halfway benchmark to estimate a number on a line and explain how precise the estimate can be.

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Choose Locate a number, set Placement to Approximate estimate and Labels to Endpoints. Try a fresh placement and explain it using the surrounding marks and halfway.
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