How pair wireless keyboard to Polaroid tablet?

Have you tried testing the attachable keyboard on another device to make sure it works? Also, such keyboards may have a battery of their own, if that is the case, it may need replacing. Also, if it is a wireless keyboard there could be a few reasons. Here is some info to try to resolve issues.

Linking or pairing a wireless keyboard can be easy, or difficult, depending on a few different factors. Factors like the operating system of the tablet and the brand of the keyboard. For tablets that have built-in Bluetooth capability you should be able to use the steps below to pair them. This is general pairing information. It may vary slightly for different brands or different tablet OSs (Windows, Android, iOS, etc.).

Scan for the device on the tablet and then select "pair"

Hi they r cheep to buy on E/BAY APROX $23. THIS WOULD B THE BEST WAY TO FIND OUT IF IT IS THE KEYBOARD OR YOURE TABET THAT IS AT FAULT CHEERS

If it is a standard USB keyboard, that is probably your problem. Tablets are not like Windows PCs, where everything USB is plug & play. Tablets usually run some version of Android as their OS, and manufacturers may or may not support keyboards. If they do, they will specify what keyboards will work with your tablet. Tablets are a lot like Apple products - not everything off the shelf will work and sometimes it must be manufacturer's products only.

for bluetooth keyboard, usually long push power button (or setting button) to set the keyboard to pairing mode. then go to setting in your tablet, bluetooth then search new device, follow the instruction in the tablet for pairing until finish. done

If you have bluetooth on the tv then there should be an option to search for the device you wish to pair with in the settings on the tv. If you don't have that option then you would most likely need to purchase a bluetooth adapter to plug into your tv in order to connect your keyboard

Perhaps you look on this link to see you did everything right, like charging the battery, switching on and pairing. Don't forget to switch on bluetooth on your iPad. SHARKK Apple iPad Air Wireless Bluetooth Keyboard Case

Did you verify the wireless is enabled and connected to your network?
A lot of tablets will auto-disable the wireless when they go to sleep.

Sorry to hear/read this really.
One thing you've got to know and as a matter of fact acquaint yourself with is this-

Original Apple OS devices, gadgets and equipments DO NOT readily pair or connect with Android OS based devices, gadgets and equipments.

With time, maybe someone can find a way round to resolve this impasse but at the time, its best you save yourself all the aggravations.

Make use of your maplin keyboard instead.