For 1st grade count only to $1.00, and 2nd grade use up to $10.00. First, set up subtraction problem of how much change would a person get if gave “this” amount. (ex: something costs $ .46, one gives cashier $1 bill.) $1.00-.46= Next, start with $.46 and the goal is to get to a dollar by breaking it down to zeros in cents value.(ex: .46+.04= .50 & .50+.50= $1.00) Add up what you counted up with (ex: .04+.50=.54) The change given back is .54 cents