Multiply and divide numbers by 10 and 100 (3)

Pupils should be able to: use and understand the language of 10 or 100 times the size to describe multiplication of numbers, including decimal fractions, by 10 or 100 understand division as the inverse action use and understand the language of one-tenth or one-hundredth times the size to describe division of numbers by 10 or 100, including to calculations that give decimal fraction quotients. Language focus “8, made one-tenth of the size, is 0.8.” “8 divided by 10 is equal to 0.8.” “First we had 8 ones. Now we have 8 tenths.” “0.8, made 10 times the size, is 8.” “0.8 multiplied by 10 is equal to 8.” “First we had 8 tenths. Now we have 8 ones.”