Citations:Unsupported titles/`period`

Punctuation mark: ends the last item in a list, where the previous items ended with a semicolon: ;
Portuguese citations
 * É possível que algumas sugestões surjam das crianças, tais como:
 * a) distribuição das bolas existentes feita pelo professor para quem ele escolher;
 * b) cada criança escolhida pelo professor pegará uma bola;
 * c) além de a) ou b), a criança que recebe a bola deve escolher seu parceiro de jogo;
 * d) separação da turma em duplas.
 * d) separação da turma em duplas.

Punctuation mark: in a list, used with a letter or number at the start of each item
English citations
 * 7. Choose the largest value.
 * (A) 45.6 × 9
 * (B) 0.465 × 10³
 * (C) 2.33 × 103.5
 * (D) 646.003 − 1.254
 * (E) 1,003 ÷ 1.5
 * 8. Choose the smallest value.
 * (A) 9.65 − 7.23
 * (A) 9.65 − 7.23

Symbol: decimal separator
English citations
 * Since decimal numbers are based on powers of ten it is extremely easy to multiply or divide by 10ⁿ, where n is a positive integer. To multiply a number by 10ⁿ, just move the decimal place n places to the right. For example, 24.345 × 10² = 2,434.5. To divide a number by 10ⁿ, just move the decimal place n places to the left. For example, 24.345 ÷ 10² = 0.23345.
 * Since decimal numbers are based on powers of ten it is extremely easy to multiply or divide by 10ⁿ, where n is a positive integer. To multiply a number by 10ⁿ, just move the decimal place n places to the right. For example, 24.345 × 10² = 2,434.5. To divide a number by 10ⁿ, just move the decimal place n places to the left. For example, 24.345 ÷ 10² = 0.23345.