As a result, their math grades overtook those of the other students by the end of the first semester—and the gap between the two groups continued to widen during the two years we followed them.

结果，他们的数学成绩在第一个学期末就超过了其他学生——在我们持续观察他们的两年中，两组学生之间的差距继续扩大。

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After 14 weeks, students who chewed gum had a 3% increase in standardized math test scores and had final math grades better than the others.

14周后，在标准数学考试中，嚼口香糖学生的成绩平均提高了3%；在期末考试中，嚼口香糖学生的数学成绩也比不嚼口香糖的学生高。

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Top students in the ninth and tenth grades can attend single-sex classes for math,science,English and social studies.

VOA: special.2010.12.02

"Because of that negative stereotype, girls are more likely to believe that they are less able in math compared to boys who have similar grades and tests scores in math."

VOA: standard.2010.03.26

Parent feedback indicates that students have benefitted greatly from the clubs, improving math grades and overall concentration.

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Both the Senate and the House of Representatives have passed measures calling for sweeping changes, including requiring annual testing of students in reading and math in grades three through eight, giving flexibility to states and local school boards over how to spend federal dollars, and holding schools accountable for the performance of students.

CNN: Bush urges action on education; Democrats defend health care bill

In October of 1999 this Cabinet-level agency endorsed ten math programs for grades K-12.

FORBES: Fact and Comment