Multiplication: What does it mean to use front-end estimation?
5 answers
I think it means to multiply the first digits. For example: 310 times 240 = 3 times 4. Add a couple of zeros and you'll get 1200.
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Writing to Explain: Which is greater, the greatest whole number with 5 digits or the least whole number w/ 6 digits?
I am so stupid, I cant even answer this question!
What does it mean to front-end estimation in subtraction?