BNCC – 巴西国家共同课程基础
4º ano
4º ano共有 7 项标准，每项都有对应的免费练习单。 9–10 岁
说明是我们用自己的话写的简短概述，并非官方原文。
Matemática
EF04MA06
Solve multiplication problems with different meanings (equal groups, arrays, proportion).
EF04MA07
Solve division problems with divisors of up to two digits.
现成的练习单
EF04MA09
Recognise common unit fractions (1/2, 1/3, 1/4, 1/5, 1/10, 1/100) as parts of a whole, using the number line.
现成的练习单
EF04MA15
Find the unknown number that makes an equality with the four operations true.
现成的练习单
EF04MA20
Measure and estimate lengths (including perimeters), masses and capacities with standard units.
现成的练习单
EF04MA25
Solve buying and selling problems, including change and discounts.
现成的练习单
Língua Portuguesa
EF15LP03
Find information stated explicitly in a text.
同样属于1º ano, 2º ano, 3º ano, 4º ano, 5º ano