In one to two sentences explain how

The following question has 2 parts. First, answer part A. Then, answer part B.

Use the image below to answer the questions.



A grid with 10 equal columns is shown with 5 shaded in. A second grid is shown, identical in size, containing 100 squares with 3 shaded in.

Part A
Write a problem that represents the addition model shown above. Don't solve the problem.

(1 point)

1 answer

Part A: If a grid contains 10 columns with 5 shaded squares representing a certain quantity, and a second identical grid has 3 shaded squares representing another quantity, what is the total number of shaded squares in both grids when combined?