_____+______=______ Then use partial sums and solve. ...... 9 pictures in it. the
students used 585 pictures all together. how many students were there in all?
To solve the problem, we will use the partial sums method.
Step 1: Write down the numbers vertically and align them properly.
_____
+ ______
_______
Step 2: Start with the rightmost digits and add them together. In this case, it is the ones place.
_____
+ ______
_______
9
Step 3: Moving to the next column, add the digits in the tens place.
_____
+ ______
_______
50
Step 4: Repeat the process for the hundreds place.
_____
+ ______
_______
550
Step 5: Finally, we have reached the thousands place.
_____
+ ______
_______
1550
Step 6: The sum of the 9 numbers is 1550. Since we know that 585 pictures were used, we need to find out how many students there were in total.
Therefore, the answer is 1550 students.
Note: It is important to note that the problem statement provided does not specify how the numbers are related to the number of students. As a result, we assumed that each picture represents one student. If there is a different relationship between the numbers and the students, the answer may be different.