Page 4 - 新思维数学活动用书6 样章
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How to use this book
How to use this book
This workbook provides questions for you to practise what you have
learned in class. There is a unit to match each unit in your Learner’s Book.
Each exercise is divided into three parts:
• Focus: these questions help you to master the basics
• Practice: these questions help you to become more confident
in using what you have learned
• Challenge: these questions will make you think more deeply.
You might not need to work on all three parts. Your teacher will tell you
which parts to do.
You will also find these features:
bisect diagonal
Important words that you will use. justify parallel
trapezia
Worked example 2
Reflect this triangle in the diagonal mirror line.
Step-by-step examples
showing a way to solve
a problem.
There are Take one vertex of the triangle at a time.
Draw arrows to the mirror line, then draw the
often many different same length arrows the other side of the mirror
line. Join the vertices with straight lines to
ways to solve a complete the reflected triangle.
problem.
These questions will help 13 Emma uses small cubes to make a larger cube. She uses 16 cubes to make the
base of her cube.
you to develop your skills How many small cubes in total does Emma use to make the larger cube? How do
of thinking and working you know?
mathematically.
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