Page 5 - 新思维数学学生用书2 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 Getting started

1 Split each number into tens and ones.
you know already. 84 37 65

What you will learn in the We are going to ...

unit. • say, read and write numbers from 0 to 100
• know the value of each digit in a 2-digit number
• count on and back in steps of 1 and 10 from any number.

Important words that you column digit place holder

will use. representation row

Worked example 3

Step-by-step examples A number sequence starts at 58.
It counts back in twos and stops at 50.
What are the numbers in this sequence?
showing a way to solve

All the numbers
a problem. have 5 tens and they
are even.
Answer: 58, 56, 54, 52, 50.

These questions will help 6 Compare 75 and 57.

Which is the greater number? 10s 1s
you develop your skills Use a number line or place
value grid to help you.
of thinking and working

mathematically. 0 10 20 30 40 50 60 70 80 90 100

There are often

many different ways to

solve a problem.

4