| | Comparing Height and Graphing Change Over Time |  |    |
| Comparing Weights Using a Pan Balance |  |  |
| | Exploring Logical And Numerical Relationships |  |   |
| Weighing Variables to Determine Their Values |  |   |
| | Sorting and Classifying Buttons |  |  |
| | Representing Patterns with Shapes and Numbers |  |  |
| Using a Bar Graph to Subtract
|  |    |
| | Investigating Relationships in Growing and Repeating Patterns |  |  |
| | Observing Relationships between Mass, Length, and Position of a Fulcrum |  |   |
| | Using Algebraic Thinking to Discover Properties of Addition |  |   |
| | Investigating Data about Recyclable Materials and Planning to Help the Environment |  |   |
| | Exploring the Concepts of Greater Than, Less Than, and Equal To |  |   |
| Exploring Subtraction Properties with Five Models of Subtraction |  |  |
| | Exploring the Relationship Between Pennies, Nickels, Dimes, Quarters, and Examining Combinations |  |   |
| Exploring Patterns from Physical Education, Science, and Social Studies |  |  |