Grade 3 · Maths
The Answer Detective
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Use estimates to identify implausible answers.
Suggested ages: 8–9. Choose from your child’s existing skills, not age alone.
This lesson includes a video, six exercises and three game missions. Instructions and feedback can be heard aloud.
Before this unit
- Grade 2: Place Value to 1,000
- Grade 2: Subtraction with Regrouping
A structured skills programme, not a school qualification.