Addition- Bathing Boxes

Launch:

Inside these three boxes I have 8 counters. How many are in each box? 

What strategies can you use to work this out?

Is there only one possibility?

Explore:

There are 12 chairs inside these bathing boxes. How many chairs are in each bathing box?

How many different combinations can you come up with?

Present your information by using the following:

• Addition equation
• Number line
• Tens frame.

Enabling Prompt: Use two bathing boxes.

Extending Prompt:

The red bathing box has 2 more chairs than the Australian bathing box . How many different combinations can you come up with?