Question
Look at the picture.
  1. How many units is House 1 shorter than House 4?
  2. What is the total height of House 2 and House 3?
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Look at the picture.
  1. How many units is House 1 shorter than House 4?
  2. What is the total height of House 2 and House 3?