• Measure the lengths of objects using the centimeter as the standard unit.

Activity

• Have the children use a ball of string to show the length of newborn whales, a herring, a krill and other sea creatures. The teacher will need to record the name and size of each sea creature on the board, as a quick reference for the children.

New born killer whale is _____ cm long.

•                Krill ____ cm

                 Herring ____ cm

Assessment Tips from Old Tom the Turtle

• From the collection of finished products, ask individual students to explain how they went about their task.