100 guided animations · 10 topic units · Free to explore
Make a prediction, change a value, and explain the result. Work through each unit in order or choose the topic you want to understand today. Every investigation has controls, a worked explanation, and a question to test your reasoning.
Your collection at a glance
Verify an algebraic solution
Investigations 1–10
Test a complete solution ray
Investigations 11–20
Interpret signed slope and intercept
Investigations 21–30
Classify line-system outcomes
Investigations 31–40
Connect symmetry and quadratic values
Investigations 41–50
Explain a binomial area product
Investigations 51–60
Connect powers and reciprocals
Investigations 61–70
Preserve function-machine order
Investigations 71–80
Solve a two-direction distance condition
Investigations 81–90
Compare repeated growth factors
Investigations 91–100
Related investigations use the same mathematical model with different questions and starting values. Reset restores the values used in that investigation’s worked answer. Read its assumptions before applying a model to a new situation.
100 animations · Showing 1–20
Grade 9 · Equations
Verify an algebraic solution · Investigation 1 of 100
Robot controller investigation: verify an algebraic solution. Change the quantities, follow the motion, and explain the result using the displayed mathematical relationship.
Explore animationGrade 9 · Equations
Verify an algebraic solution · Investigation 2 of 100
Water-tank rule investigation: verify an algebraic solution. Change the quantities, follow the motion, and explain the result using the displayed mathematical relationship.
Explore animationGrade 9 · Equations
Verify an algebraic solution · Investigation 3 of 100
Ticket model investigation: verify an algebraic solution. Change the quantities, follow the motion, and explain the result using the displayed mathematical relationship.
Explore animationGrade 9 · Equations
Verify an algebraic solution · Investigation 4 of 100
Printing machine investigation: verify an algebraic solution. Change the quantities, follow the motion, and explain the result using the displayed mathematical relationship.
Explore animationGrade 9 · Equations
Verify an algebraic solution · Investigation 5 of 100
Calibration table investigation: verify an algebraic solution. Change the quantities, follow the motion, and explain the result using the displayed mathematical relationship.
Explore animationGrade 9 · Equations
Verify an algebraic solution · Investigation 6 of 100
Motion tracker investigation: verify an algebraic solution. Change the quantities, follow the motion, and explain the result using the displayed mathematical relationship.
Explore animationGrade 9 · Equations
Verify an algebraic solution · Investigation 7 of 100
Pattern laboratory investigation: verify an algebraic solution. Change the quantities, follow the motion, and explain the result using the displayed mathematical relationship.
Explore animationGrade 9 · Equations
Verify an algebraic solution · Investigation 8 of 100
Signal converter investigation: verify an algebraic solution. Change the quantities, follow the motion, and explain the result using the displayed mathematical relationship.
Explore animationGrade 9 · Equations
Verify an algebraic solution · Investigation 9 of 100
Scale comparison investigation: verify an algebraic solution. Change the quantities, follow the motion, and explain the result using the displayed mathematical relationship.
Explore animationGrade 9 · Equations
Verify an algebraic solution · Investigation 10 of 100
Design constraint investigation: verify an algebraic solution. Change the quantities, follow the motion, and explain the result using the displayed mathematical relationship.
Explore animationGrade 9 · Inequalities
Test a complete solution ray · Investigation 11 of 100
Robot controller investigation: test a complete solution ray. Change the quantities, follow the motion, and explain the result using the displayed mathematical relationship.
Explore animationGrade 9 · Inequalities
Test a complete solution ray · Investigation 12 of 100
Water-tank rule investigation: test a complete solution ray. Change the quantities, follow the motion, and explain the result using the displayed mathematical relationship.
Explore animationGrade 9 · Inequalities
Test a complete solution ray · Investigation 13 of 100
Ticket model investigation: test a complete solution ray. Change the quantities, follow the motion, and explain the result using the displayed mathematical relationship.
Explore animationGrade 9 · Inequalities
Test a complete solution ray · Investigation 14 of 100
Printing machine investigation: test a complete solution ray. Change the quantities, follow the motion, and explain the result using the displayed mathematical relationship.
Explore animationGrade 9 · Inequalities
Test a complete solution ray · Investigation 15 of 100
Calibration table investigation: test a complete solution ray. Change the quantities, follow the motion, and explain the result using the displayed mathematical relationship.
Explore animationGrade 9 · Inequalities
Test a complete solution ray · Investigation 16 of 100
Motion tracker investigation: test a complete solution ray. Change the quantities, follow the motion, and explain the result using the displayed mathematical relationship.
Explore animationGrade 9 · Inequalities
Test a complete solution ray · Investigation 17 of 100
Pattern laboratory investigation: test a complete solution ray. Change the quantities, follow the motion, and explain the result using the displayed mathematical relationship.
Explore animationGrade 9 · Inequalities
Test a complete solution ray · Investigation 18 of 100
Signal converter investigation: test a complete solution ray. Change the quantities, follow the motion, and explain the result using the displayed mathematical relationship.
Explore animationGrade 9 · Inequalities
Test a complete solution ray · Investigation 19 of 100
Scale comparison investigation: test a complete solution ray. Change the quantities, follow the motion, and explain the result using the displayed mathematical relationship.
Explore animationGrade 9 · Inequalities
Test a complete solution ray · Investigation 20 of 100
Design constraint investigation: test a complete solution ray. Change the quantities, follow the motion, and explain the result using the displayed mathematical relationship.
Explore animation