In the past few years, Math Counts added two new middle school programs to try to diversify its participant pool—the National Math Club and the Math Video Challenge.

在过去的几年里，数学竞赛 Math Counts 增加了两个新的中学项目（国家数学俱乐部和数学视频挑战），试图使其参与者群体多样化。

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In the past few years, Math Counts added two new middle school programs to try to diversify its participant pool.

在过去的几年里，Math Counts 增加了两个新的中学项目，试图使其参与者多样化。

youdao

IMO team took part in Math Counts as middle school students, as did Loh, the coach.

国际海事组织队伍以中学生身份参加了 Math Counts，教练 Loh 也参加了。

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It will target middle school students during their summer recess to take part in intensive math and science learning programs.

VOA: standard.2010.05.10

"We want middle school kids to increase their level of achievement in science and math and for their teachers to increase their level of performance in teaching those subjects."

VOA: standard.2010.05.10

Charles Bolden, the head of the US space agency, NASA,and Lisa Jackson from the Environmental Protection Agency,or EPA, came to this Washington,DC middle school to encourage these youngsters to focus on math and science careers.

VOA: standard.2010.05.10

Born and raised in Kunshan, he started as a middle school math teacher there.

FORBES: Magazine Article

The classes will be supervised by a high school English teacher, a middle school Math teacher, and former veterinary technician.

FORBES: South Dakota, Internet Learning Pioneer

The Gap App Challenge invites developers to submit applications, games, or other technology-based solutions that focus on middle school math and can be used by students, teachers, or parents.

WHITEHOUSE: Using Incentive Prizes to Tackle the Middle-School Math Gap | The White House