Page 2 - 新思维数学活动用书4 样章
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Contents
Contents
How to use this book 3
Thinking and Working Mathematically 4
1 Numbers and the number system 6
1.1 Counting and sequences 6
1.2 More on negative numbers 12
1.3 Understanding place value 16
2 Time and timetables 22
2.1 Time 22
2.2 Timetables and time intervals 28
3 Addition and subtraction of whole numbers 32
3.1 Using a symbol to represent a missing number or operation 32
3.2 Addition and subtraction of whole numbers 37
3.3 Generalising with odd and even numbers 43
4 Probability 48
4.1 Likelihood 48
5 Multiplication, multiples and factors 56
5.1 Tables, multiples and factors 56
5.2 Multiplication 63
6 2D shapes 69
6.1 2D shapes and tessellation 69
6.2 Symmetry 75
7 Fractions 82
7.1 Understanding fractions 82
7.2 Fractions as operators 86
8 Angles 90
8.1 Comparing angles 90
8.2 Acute and obtuse 95
8.3 Estimating angles 99
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