Wishball challenge: tens

http://www.scootle.edu.au/ec/viewing/L8459/L8459/index.html

Interactive, Publisher, Le@rning Federation

Challenge your understanding of place value in whole numbers up to 99. Receive a starting number, such as 86, and work towards turning it into a target number, such as 18, within 20 turns. Spin a random digit, choose its decimal place value and use the given operation (either addition or subtraction) on your starting number. Be careful not to undershoot the target number!

30 September 2020 Edit: 30 September 2020


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