Chapter 5
Addition and Subtraction within 20
Chapter 8
59
Numbers Up to 100
109
A Ways to add........................................ 60
A Numbers from 21 to 100..................... 110
B Addition of three 1-digit numbers....... 63
B Place value and expanded form......... 113
C Solving word problems involving addition............................................... 65
C Comparing numbers........................... 115 D Ordering numbers.............................. 119
D Creating addition word problems........ 66 E
Ways to subtract................................. 67
F
Solving word problems involving subtraction.......................................... 70
E
Chapter 9
Addition and Subtraction within 100
G Creating subtraction word problems... 71
Chapter 6
Number sequences............................ 121
127
A Addition.............................................. 128 B Solving addition word problems......... 130 75
C Creating addition word problems........ 132
A Words related to length...................... 76
D Subtraction......................................... 133
B Comparing length............................... 78
E
Solving subtraction word problems.... 135
C Measuring length with objects............ 81
F
Creating subtraction word problems... 136
Length
D Measuring length in meters and centimeters......................................... 84 E
Comparing length in meters and centimeters......................................... 87
F
Solving word problems involving length.................................................. 90
Chapter 7 Mass
Chapter 10
Shapes and Patterns
139
A Two-dimensional (2-D) shapes........... 140 B Three-dimensional (3-D) shapes........ 143 C Patterns.............................................. 146
Chapter 11
93
A Words related to mass....................... 94
Pictograms
B Comparing mass................................ 95
150
A What is a pictogram?.......................... 151
C Measuring mass with objects............. 99 D Measuring mass in kg and kheed....... 101 E
Comparing masses in kg and kheed.................................................. 104
F
Solving word problems involving mass................................................... 106
III
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