Page 5 - 新思维数学学生用书5 样章

How to use this book

How to use this book

In this book you will find lots of different features to help your learning:

Questions to find out what

you know already.

We are going to …
What you will learn • estimate the size of an answer before calculating it
in the section. • multiply whole numbers by 1-digit and 2-digit whole numbers.

Important words frequency diagram

that you will use. line graph

Step-by-step examples Worked example 3

Write a different prime number in each box to make this calculation correct.
showing a way to solve + + = 10
a problem. The prime numbers are: Start by writing a list of prime numbers.

2, 3, 5, 7, … Test different numbers to work out which ones
make the calculation correct.
There are often 2 + 3 + 5 = 10 When you test numbers like this you are
many different specialising.
ways to solve a
problem.

These questions will

help you develop your

skills of thinking and

working mathematically.

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