https://learnzillion.com/lesson_plans/194-compare-temperatures-by-using-a-vertical-number-line-diagram
https://learnzillion.com/lesson_plans/199-identify-the-opposite-of-a-number-by-using-a-number-line
https://learnzillion.com/lesson_plans/193-understand-the-opposites-of-opposites-of-rational-numbers-by-using-a-number-line
https://learnzillion.com/lesson_plans/202-compare-and-order-positive-and-negative-numbers-using-the-context-of-temperature
https://learnzillion.com/lesson_plans/196-understand-debits-and-credits-by-representing-them-as-positive-and-negative-numbers
https://learnzillion.com/lesson_plans/200-compare-and-order-negative-and-positive-numbers-by-using-the-context-of-elevation-above-and-below-sea-level
https://learnzillion.com/lesson_plans/198-understand-absolute-value-as-distance-from-zero-by-comparing-it-to-opposite-value
https://learnzillion.com/lesson_plans/197-understand-zero-as-a-representation-of-a-target-or-reference-point-by-interpreting-the-meaning-of-zero-and-of-absolute-values
https://learnzillion.com/lesson_plans/195-find-distance-between-points-by-using-a-number-line
https://learnzillion.com/lesson_plans/201-compare-and-order-values-and-absolute-values-by-using-a-number-line