Write a story problem for . How do you know your story is correct? What is one
group? One object?
When we multiply a decimal number by 10, all of the digits shift one place to the
left. We would like to explain why this rule makes sense using the picture
below.
2025-08-13 00:47:54 
- (a)
- Why can this picture be used to solve ?
- (b)
- How does this picture show that the in would move to the tens place?
- (c)
- How does this picture show that the in would move to the ones place?
- (d)
- How does this picture show that we would have in the tenths place?