Illustrative Mathematics
Comparing Temperatures
Which is colder -12 or -18? Temperature is natural real-world application of ordering rational numbers. It's also fun to talk about the lowest recorded temperature on Earth. Take the time to discuss this inquiry with your class.
Illustrative Mathematics
Above and below sea level
Using the real-world example of elevation, above or below sea level, young mathematicians interpret expressions using negative signs, and absolute value. This task provides a good opportunity to discuss the notion of magnitude and...
Curated OER
Model Subtraction
In this subtraction practice activity, learners sharpen their problem solving skills as they solve 6 story problems using the provided table.
Curated OER
Numbers Through 1000
In this numbers through 1000 practice worksheet, students sharpen their problem solving skills as they solve 6 story problems that require them to use number models to add and subtract.