Texas Instruments
Texas Instruments: A Maze Ing Secret Paths
Learners learn to add and subtract numbers Using the calculator. They investigate patterns in place value and explore relationships between numbers on the hundred chart.
Texas Instruments
Texas Instruments: Action Packed Subtraction Patterns
Students learn to use manipulatives and calculators to explore what happens when they change one number at a time in a subtraction number sentence. They record and develop the pattern that develops.