The Problem Blob makes things go wrong when people can't estimate - 5 to the rescue. Numberjacks: 3, 4, 5, 6 Agents: 28, 55, 70, 101 FUN FACT! WHAT is Number...
Grab a handful of a range of toys. eg lego, pens etc
Ask your child to estimate how many there are before they count and check.
Were they close?
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