Groups of change with totals from 1 to 100 cents using the least amount of coins.

Illustration of 56 congruent cubes stacked in twos in the shape of a square. A 3-dimensional representation…

Illustration of 56 congruent cubes stacked in heights of 1, 4, and 5 cubes that form a zigzag pattern.…

An isosceles triangle with angles 56, 62, 62

An isosceles triangle with angles 68, 56, 56