Show how you might sketch base pieces to illustrate each computation by filling out each part of the following questions.

a. 483 + 355

i)Combine sets for a total of ______ flat(s), ______ long(s), and _____unit(s).

ii)Regroup _____unit(s) to ______ long(s), and _____unit(s).

iii)Regroup ______ long(s) to ______ flat(s), and _____long(s).

iv)There are now ______ flat(s), _____ long(s), and ______unit(s).

v)483 + 355 =

b. 474 256

i)Regroup 474 to ______ flat(s), ______ long(s), and ____unit(s).

ii)Take away 256 to obtain ______ flat(s), _______ long(s), and ____unit(s).

iii)474 256 =