Develop initial understanding of place value and the base - ten number system by showing equivalent forms of whole numbers from 11 to 19 as groups of tens and ones using objects and drawings. (dreambox.com)
Each of them give just about 2 % return in a cash equivalent form with different annual fees based on how much work is needed to get that full 2 % return. (creditwalk.ca)
Students also need to know why this procedure works and what the different equivalent forms mean. (ascd.org)