Doubling – Mark Weddell January 11, 2016September 12, 2021 adminDoubling and Halving Add to BookmarksDoubling by partitioning then adding together. Choose two or three digit numbers to double. Open Activity Other Suggested Activities Disappearing Tables - Mark WeddellDisappearing Tables Choose one multiplication table and answer repeated questions. Answers are replaced by a… Binary Numbers - Mark WeddellBinary Numbers Toggle the 1s and 0s by clicking on them to reveal dots and… Multiple Madness - Mark WeddellChoose a multiplication table then hit multiples as they move across the screen. 20 secs…