Ice Ice Maybe

From site:  Use your estimation and approximation maths skills to position a floating iceberg and bounce penguins safely from glacier to glacier in order to reach the holiday paradise of Summer Isle.

In this math game your aim is to help four waddles of penguins reach the holiday paradise of Summer Isle. The penguins’ vacation migration sees them journey across the perilous Estim Ocean, a vast icy sea patrolled by ever-hungry killer whales. Use your estimation and approximation math skills to position floating icebergs and bounce the penguins safely from glacier to glacier.