LQ: How can I apply my multiplication skills to scale up a building? C - I can use column multiplication without regrouping to scale up my building A - I can use column multiplication with regrouping to scale up my building E - I can show the division inverse when scaling up to show my answer is correct Draw your own lego house using the shapes tool! Write down how many bricks you used in each room. Then, scale up your house! Multiply the amount of each bricks by the scale you want to make it larger. Look at the example for more instructions.