Why is my iPad dropping the wifi connection all the time?

My first inclination is to say interference. Wi-Fi and Bluetooth: Potential sources of wireless interference - Apple Support

Roaming around the house with your handheld is likely to find some dead spots. My house has a cellular dead spot that is mere feet away from a strong cellular signal.

Experimentation can prove or disprove dead spots and interference causes.

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Go in to settings and reset the wireless connections then reconnect. Still have problems restart your device by holding the home and power buttons until the Apple logo appears. If that does not work reset your wireless router.