Curated OER
Comparing and Ordering
Before handing out this number comparison activity, ask scholars to pick a number between 20 and 50. Could they do it? Explain that they chose a number greater than 20 and less than 50, which is exactly what they will be doing next. Each...
New Mexico State University
Pearl Diver
Dive into the number line. Learners play a computer game that revolves around a number line as they try to collect pearls by diving at locations on a number line. As the game progresses, dive locations change from simple whole numbers to...
Illustrative Mathematics
Field Day Scarcity
Introduce young mathematicians to concepts of financial literacy with this open-ended word problem. With seven dollars to spend during field day and given a list of available items and their prices, children must determine how they want...
Curated OER
Equivalent Fractions and Comparing Fractions
How can you tell if fractions have equal value? Use various collaborative activities to demonstrate the ways to determine whether or not fractions are equivalent.