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For the longest time we (and in many places probably still do) literally taught students multiplication tables. That is, hardcoded answers for a * b with a, b
by orlp 4y ago
For the longest time we (and in many places probably still do) literally taught students multiplication tables. That is, hardcoded answers for a * b with a, b <= 10. As soon a double digit integers are involved - tough shit.
- WalterBright 4y agoIf you don't memorize the tables, you're going to have a tough time multiplying N-digit numbers. Besides, work enough arithmetic problems and you'll inadvertently memorize them anyway.