Page 3 - 新思维数学活动用书5 样章
P. 3
Contents
C ontents
8.2 Experiments and simulations 84
9 Addition and subtraction of fractions 91
9.1 Addition and subtraction of fractions 91
10 Angles 96
10.1 Angles 96
11 Multiplication and division 101
11.1 Multiplication 101
11.2 Division 106
11.3 Tests of divisibility 109
12 Data 112
12.1 Representing and interpreting data 112
12.2 Frequency diagrams and line graphs 124
13 Ratio and proportion 134
13.1 Ratio and proportion 134
14 Area and perimeter 142
14.1 Area and perimeter 142
15 Multiplying and dividing fractions and decimals 149
15.1 Multiplying and dividing fractions 149
15.2 Multiplying a decimal and a whole number 154
16 Time 158
16.1 Time intervals and time zones 158
17 Number and the laws of arithmetic 166
17.1 The laws of arithmetic 166
18 Position and direction 172
18.1 Coordinates and translation 172
Acknowledgements 179
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