1.G.3 Quiz for 1st Grade Math Google Slides:This quiz is aligned with Common Core Standard 1.G.3: Partition Shapes. Designed to make the classroom efficient and interactive, the quiz is presented as a Google Slides file, eliminating paper and planning. 1.G.3. Partition circles and rectangles into two and four equal shares, describe the shares using the words halves, fourths, and quarters, and use the phrases half of, fourth of, and quarter of. Describe the whole as two of, or four of the share