See the description of the 10cm standard Numdrum for a full explanation of Numdrum's benefits.
The Numdrum presents the standard number line from 0 to 139 and is supplied with a clear plastic sleeve that has been marked so that it can serve as a cursor. The Teacher's and Cursor Activities Notes provide more information and suggestions for use including a description of the various learning activities that can be built around use of the cursor.
Specifications
- Dimensions: 10.2cm x 3.6cm
- Material: ABS Plastic
A cursor sleeve is supplied tucked inside the tube.
Note: A printed copy of The Teacher's and Cursor Activities Notes is only supplied with the Classroom Set, however, you can download and print your own copy here.
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Delivery
Orders placed before 15:00 will be dispatched the same day. Due to the number of heavy items we sell, our postage is calculated on the total weight of your basket at the following rates:
UK
Free delivery on all orders over £150.00!
| Second Class (2-5 working days) | First Class (1-2 working days) | Next Day Special Delivery |
|
|---|---|---|---|
| 0KG - 0.5KG | £2.50 | £3.00 | £5.50 |
| 0.5KG - 1.0KG | £3.00 | £3.50 | £6.50 |
| First Class (1-2 working days) | ParcelForce (48 hours) | Next Day Delivery |
|
| 1.0KG - 1.5KG | £4.00 | £7.00 | £7.50 |
| 1.5KG - 2.0KG | £8.50 | £7.00 | £10.00 |
| OVER 2.0KG | £9.00 | £7.00 | £01.00 |
For an exact quote please visit your basket.
Returns
If your item does is not quite what you expected or is unsuitable for any other reason, we will happily take it back and refund your money but may have to charge additional postage. Any items returned to us must be in re-saleable condition. If an item is faulty we will of course replace it or refund your money if a replacement is unavailable. Please note that items that are damaged as a result of wear and tear are not considered faulty. All faulty items must be returned to The Dyslexia Shop in the same condition as when it left our depot, in it’s original and undamaged packaging.
We cannot take responsibility for returned items lost without proof of delivery and the item is your responsibility until it reaches us.
Online Credit / Debit Card & PayPal
The Dyslexia Shop accepts the following payment methods:
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Schools and Public Sector Organisations
Schools and Public Sector Organisations can also select to pay by invoice during checkout.

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