g fully-colored pictures
i
the steam press
h hot-metal printing
Chapter 2
Before you read
8 Try to answer these math questions.
a The two shorter sides of a right-angled triangle are 3 cm and
4 cm long. How long is the third side?
b Which number is V64?
c What is this Roman number: CDXL?
d 6x2 =
12x. What is x?
While you read
9 Match each person or place with the correct idea. Draw lines
between them,
a Babylon
b Pythagoras
c Euclid
d Rome
e India
f Al-Khwarizmi
After you read
10 You are standing in the southeast corner of a city square. All the
corners are square but not all its sides are the same length. The
east side is 120 meters long. You walk straight across the square
to the northwest corner. To get there, you walk exactly 200 meters.
How long is the south side of the square?
Chapter 3
Before you read
11 How much do you know about the history of navigation? See if
you can answer these questions.
Dostları ilə paylaş: 
