1) Gifted children can be identified through signs like fast learning, deep feelings, strong memory, curiosity, and advanced vocabulary. Formal IQ testing is needed for reliable assessment of giftedness.
2) Family and schools must support gifted children by allowing them to pursue their interests and providing acceleration and enrichment opportunities.
3) Mathematical giftedness involves complex thinking processes like pattern recognition, representation changing, and problem posing rather than just computational skills. Formal tests assess these higher-order thinking abilities.