About how many do you see? February 1, 2021February 25, 2021 Trent Zhang About how many do you see? For Teachers Ask About how many do you see? How do you know? What do you notice that can help you estimate? What makes estimating hard? Grades 1, 2, 3 Big Ideas Seeing mathematics in the world Attending to and using structure Decomposing and using benchmarks to estimate Sorting, organizing, and using attributes Download pdf
