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Multiplication (tables): 3x: three-toed animals

3 - Whiteboard Challenges

Agree or disagree?

Poppy said that she can see three lots of four emu toes. To show this, she wrote the following number sentences:

4 + 4 + 4 = 12     3 x 4  = 12

Is Poppy right? Explain your answer with a talk partner.

Did you know?

One of the largest living tridactyl animals is the rhinocerous. Black and white rhinos have three toes and this makes their footprints easy to identify, as other large footed species (such as elephants and hippos) have four toes.

Use PAWS and the multiples-of-3 bar to solve the following word problem.

A team of scientists, who were trying to locate a herd of black rhinos, discovered 12 perfect footprints in some mud next to the Mara river. The scientists knew that the footprints belonged to black rhinos because of their large size and the fact that there were three toeprints on each footprint.

How many rhino toeprints did the scientists discover altogether in the mud?

Answer: ______________

Is it possible to know exactly how many black rhinos the scientists were tracking from the number of footprints that were discovered in the mud?