Snake is very hungry.
3 mice are not enough.
He wants to eat 6 mice altogether.
Help him work out how many more he needs to catch. Explain how you do it.
Change the numbers to make some new problems.
He started with 2 mice in the jar? How many more mice would he need to catch so that he had 6 for his dinner?
He wanted to eat 8 mice for his dinner? How many more would he have to catch?