In Grade 1, students count to 120, understand tens and ones, add and subtract within 20, compare two-digit numbers, measure lengths, tell time to the half hour, read simple graphs and work with shapes, halves and fourths.
Grade 1 math chapters
Chapter 1
Counting and Numbers to 20
1.NBT.A.1
Chapter 2
Counting to 120
1.NBT.A.1
Chapter 3
Tens and Ones
1.NBT.B.2a · 1.NBT.B.2b · 1.NBT.B.2c
Chapter 4
Comparing Two-Digit Numbers
1.NBT.B.3
Chapter 5
Addition Within 20
1.OA.A.1 · 1.OA.B.3 · 1.OA.C.6 · 1.OA.C.5
Chapter 6
Subtraction Within 20
1.OA.A.1 · 1.OA.B.4 · 1.OA.C.6 · 1.OA.C.5
Chapter 7
The Equal Sign and Word Problems
1.OA.A.2 · 1.OA.D.7 · 1.OA.D.8
Chapter 8
Adding and Subtracting Tens Within 100
1.NBT.C.4 · 1.NBT.C.5 · 1.NBT.C.6
Chapter 9
Measuring Length
1.MD.A.1 · 1.MD.A.2
Chapter 10
Telling Time to the Hour and Half Hour
1.MD.B.3
Chapter 11
Organizing and Reading Data
1.MD.C.4
Chapter 12
2D and 3D Shapes
1.G.A.1 · 1.G.A.2
Chapter 13
Halves and Fourths
1.G.A.3