Children's educational math worksheet for quick calculation: 'БЫСТРЫЙ СЧЁТ: ТАБЛИЦА НА 4'. Maintain the cute, bright pastel cartoon style with a cheerful alarm clock character with eyes at the top left, a gold star medal at the top right, and books with a pencil at the bottom. The worksheet contains 100 math problems arranged cleanly into 5 vertical columns (20 numbered problems per column, numbered from 1 to 100). The math problems should be a shuffled, randomized mix of multiplication and division by 4 (such as '4 × 7 = __', '36 : 4 = __', '4 × 3 = __', '12 : 4 = __', '4 × 8 = __', '28 : 4 = __', '4 × 5 = __', '16 : 4 = __', '4 × 9 = __', '20 : 4 = __', '4 × 2 = __', '8 : 4 = __', '4 × 6 = __', '24 : 4 = __', '4 × 10 = __', '40 : 4 = __', etc.) with perfectly legible, sharp, clear typography, no typos, no glitchy duplicate numbers, clean numbering in pastel circles. Light blue rounded background frames for each column, high contrast, clean white page background, professional vector printable worksheet quality.
