The first step in money: pennies, nickels and dimes only, so the totals stay small and the counting stays about skip counting by ones, fives and tens. Quarters come next, once those three are solid.
Add the quarter under Coins when a student is ready, or set Amounts higher. The coins are drawn at their real relative sizes, so the dime being the smallest is something a student sees rather than is told.
Kindergarten and first grade for pennies, nickels and dimes; quarters usually come in first or second grade.
Pennies, nickels and dimes are counted by ones, fives and tens - the skip-counting a student already knows. A quarter needs counting on by 25s, which is a separate step.
Same activity, smaller coin set. This page is pennies, nickels and dimes; the counting money page adds quarters by default and lets you turn on the half dollar and dollar coin.
Yes - turn on Include Answer Pages and the total for every problem prints on a matching key.