Teaching tables - making learning times tables fun, Times table mountain app is now available on ios and android devices! times table mountain provides a fun and engaging way for children to learn their times tables.. Exploring linear data - illuminations, Introduction. the first step in exploring linear data is understanding the data. for some relation there is clearly an independent, or operating, variable and a. Krypton - periodic table elements chemistry, The chemical element krypton is classed as a noble gas and a nonmetal. it was discovered in 1898 by william ramsay and his assistant morris travers..