Posted in Remainder of One

How many ladybirds are going to the bug parade?

Can you estimate how many ladybirds are in the jar?

What is a sensible guess? 5? 50? 100? Why? Why not?how many?

Calculating Cat is using her reasoning skills to estimate how many ladybirds there are. What do you think? Do you agree with her?

counted ladybirds

How many ladybirds has Digit Dog taken out of the jar?

How did you count them? What is the quickest way to count them? Explain your thinking.

What is your estimate now? Do you think there are more or fewer ladybirds in the jar than out of it?

Make up your own challenge like this.

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