BNCC – 巴西国家共同课程基础
8º ano
8º ano共有 7 项标准，每项都有对应的免费练习单。 13–14 岁
说明是我们用自己的话写的简短概述，并非官方原文。
Matemática
EF08MA01
Calculate with integer powers and use them to write numbers in scientific notation.
EF08MA02
Use the link between powers and roots, writing a root as a power with a fractional exponent.
现成的练习单
EF08MA06
Evaluate algebraic expressions for given values using the properties of operations.
现成的练习单
EF08MA11
Find the rule of a recursive number sequence and describe how to get the next terms.
EF08MA19
Solve area problems for quadrilaterals, triangles and circles using area formulas.
EF08MA25
Find the mean, mode and median of data and relate them to the spread shown by the range.
Ciências
EF08CI04
Calculate the energy use of household appliances from their power and time of use.