Estimate Numbers on a Number Line - Tablet Version
This game can be played for free until 1st August 2018, after which it will be available to subscribers only.
Estimate the number the arrow is pointing to, then calculate the correct answer when you are told your error. A great game to help develop an understanding of place value, reading scales and to practise mental addition and subtraction. There are lots of levels to play; inc. 0 to 10, 0 to 100, 0 to 1000, and levels involving negative numbers and decimals.
This is a new version that will work on tablets or any device.