1. 北美数学竞赛：aops官方认证的比赛。报名截止日期：美东时间6月9日；完全免费 适合年级：3-8年级 Divisions: Division I : Grade 3 and 4 Division II : Grade 5 and 6 Division III: Grade 7 and 8 Tournament Schedule (6/11) 9:00-9:50 Sprint Round (40 Problems) 10:00-10:20 Target Round (8 problems) 10:20-11:00 Math/Science Game (online) 11:00-12:00 Countdown Round 12:00-12:30 Award Ceremony
2.科学挑战赛：美国东部时间6月18日(周六)上午9:00 -下午12:30线上举行。完全免费 适合年级：3-8年级 There are three divisions: Division 1 (Grade 3-4), Division 2 (Grade 5-6), and Division 3 (Grade 7-8). Students may pick to participate in TWO out of the three categories available: Physical Science, Life Science, Earth Science/Astronomy The event will be split into two rounds: Written Test and Countdown Round 对孩子来说是一件非常好的锻炼机会，比赛激烈，感兴趣参加的家长请尽快私信我.
适合年级：3-8年级
Divisions: Division I : Grade 3 and 4 Division II : Grade 5 and 6 Division III: Grade 7 and 8
Tournament Schedule (6/11)
9:00-9:50 Sprint Round (40 Problems) 10:00-10:20 Target Round (8 problems) 10:20-11:00 Math/Science Game (online) 11:00-12:00 Countdown Round 12:00-12:30 Award Ceremony
2.科学挑战赛：美国东部时间6月18日(周六)上午9:00 -下午12:30线上举行。完全免费
适合年级：3-8年级
There are three divisions: Division 1 (Grade 3-4), Division 2 (Grade 5-6), and Division 3 (Grade 7-8).
Students may pick to participate in TWO out of the three categories available: Physical Science, Life Science, Earth Science/Astronomy
The event will be split into two rounds: Written Test and Countdown Round
对孩子来说是一件非常好的锻炼机会，比赛激烈，感兴趣参加的家长请尽快私信我.
适合 Grade 3 to Grade 8 ，感兴趣请私信
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