Back to Mathematics
Round & Estimate
Grade 3 · Mathematics · Term 1Mathematics · Term 1
Start Your QuestOn this Quest, you'll discover…
Guess like a mathematician. Round to the nearest 10 and know roughly the answer before you calculate.
- Round 3-digit numbers to the nearest 10 using a number line
- Decide which way a number rounds when it lands on 5
- Estimate a sum by rounding both numbers first
- Estimate a difference the same way
- Compare your estimate with the exact answer and explain the gap
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