Column addition: Lesson 2: bees

3 - Whiteboard Challenges

Spot the Mistake!

Someone has made a mistake in their column addition. Can you explain the mistake to your talk partner?

Did you know?

In Britain, huge numbers of bumblebees are set to work in enormous greenhouses to help produce juicy tomatoes.

Use PAWS, counters and column addition to solve the following word problem.

In a large greenhouse, there were 285 tomato plants. 366 bumblebees were feeding on the nectar and pollen of these tomato plants, while a further126 bees were hovering in the air.

How many bumblebees were in the greenhouse in total?