BNCC – 巴西国家共同课程基础
7º ano
7º ano共有 12 项标准，每项都有对应的免费练习单。 12–13 岁
说明是我们用自己的话写的简短概述，并非官方原文。
Matemática
EF07MA01
Solve problems with divisors and multiples, including greatest common divisor and least common multiple.
EF07MA02
Solve percentage problems such as simple increases and decreases, in financial contexts.
现成的练习单
EF07MA04
Solve problems with operations on integers (including negative numbers).
EF07MA15
Use algebraic symbols to express patterns found in number sequences.
现成的练习单
EF07MA17
Solve problems with directly and inversely proportional quantities.
EF07MA18
Solve problems with first-degree equations reducible to ax + b = c, using the properties of equality.
EF07MA24
Construct triangles and verify that the interior angles of a triangle add up to 180°.
现成的练习单
EF07MA27
Calculate interior angles of regular polygons and relate interior and exterior angles.
现成的练习单
EF07MA30
Solve problems on the volume of cuboids in cubic metres, decimetres and centimetres.
现成的练习单
EF07MA31
Establish expressions for the area of triangles and quadrilaterals.
现成的练习单
EF07MA33
Establish π as the ratio of a circle's circumference to its diameter and use it to solve problems.
EF07MA35
Understand and calculate the mean of a data set and relate it to the range.