Curated OER
Number-Line Squeeze
First graders investigate numerals and size by ranking different numbers based upon value. In this number sense lesson, 1st graders practice using the terms smaller, larger, less and more in order to organize numbers on a number line....
Curated OER
Guess My Number
Young scholars use their knowledge of numbers from one through one hundred to try and identify the teacher's hidden number. They ask questions about the number to narrow down their guess. (Is is a multiple of ten? Is it in the...