How are these students making sense of subtraction?
What do you notice about their methods?
Try their method with a different problem: 245 – ? = 129
Show your jumps on a number line.
What do you want to take with you into teaching?
viedo reflection
How are these students making sense of subtraction?
What do you notice about their methods?
Try their method with a different problem: 245 – ? = 129
Show your jumps on a number line.
What do you want to take with you into teaching?