About how many do you see? February 2, 2021July 31, 2025 jry4638 About how many do you see? For Teachers Ask About how many do you see? How do you know? What did you notice that helped you estimate? What makes it hard to estimate how many? Grades 2, 3, 4, 5 Big Ideas Seeing mathematics in the world Attending to and using structure Composing and decomposing number Decomposing and using benchmarks to estimate Sorting, organizing, and using attributes Using units to count, measure, and compare PDFs in World Languages English Portuguese (Brazil) Spanish (Latin America) Download pdf