Buku Matematika Kelas 4 SD

Materi Matematika

Kata Sambutan .............................................................................................................. iii
Kata Pengantar ............................................................................................................... iv
Petunjuk Penggunaan Buku ........................................................................................... v
Daftar Isi ........................................................................................................................ vii

BAB 1
Operasi Hitung Bilangan ............................................................................................ 1
Peta Konsep ................................................................................................................... 2
A. Sifat-sifat Operasi Hitung Bilangan ........................................................................ 3
B. Mengurutkan Bilangan ........................................................................................... 6
C. Melakukan Operasi Perkalian dan Pembagian ....................................................... 9
D. Pengerjaan Hitung Campuran ................................................................................ 30
E. Penaksiran dan Pembulatan .................................................................................... 37
F. Memecahkan Masalah yang Melibatkan Uang ....................................................... 40
Rangkuman ............................................................................................................ 42
Evaluasi Bab 1 ....................................................................................................... 44
Proyek Siswa .......................................................................................................... 46
Re? eksi ................................................................................................................... 46

BAB 2
FPB dan KPK .............................................................................................................. 47
Peta Konsep ...................................................................................................................48
A. Faktor dan Kelipatan ............................................................................................ 49
B. Kelipatan dan Faktor Bilangan ............................................................................. 52
C. Ciri-ciri Bilangan yang Habis dibagi 2, 3, 4, dan 5 .............................................. 57
D. Mencari Faktor Prima Sebuah Bilangan ............................................................... 59
E. Faktor Persekutuan Terbesar (FPB) dan Kelipatan Persekutuan Terkecil (KPK) .. 61
F. Menyelesaikan Masalah yang Berkaitan dengan KPK dan FPB ............................ 64
Rangkuman ............................................................................................................ 70
Evaluasi Bab 2 ....................................................................................................... 71
Proyek Siswa .......................................................................................................... 72
Re? eksi ................................................................................................................... 72

BAB 3
Pengukuran Sudut, Panjang, dan Berat .................................................................... 73
Peta Konsep ...................................................................................................................74
A. Menentukan Besar Sudut ....................................................................................... 75
B. Hubungan Antarsatuan ........................................................................................... 86
C. Penyelesaian Masalah Waktu, Panjang, dan Berat ................................................ 110
D. Satuan Ukuran Kuantitas ....................................................................................... 115
Rangkuman ............................................................................................................ 119
Evaluasi Bab 3 ....................................................................................................... 121
Proyek Siswa .......................................................................................................... 122

BAB 4
Keliling dan Luas Bangun Datar ................................................................................... 125
Peta Konsep ................................................................................................................... 126
A. Keliling dan Luas Jajargenjang ............................................................................. 127
B. Keliling dan Luas Segitiga .................................................................................... 135
Rangkuman ............................................................................................................ 141
Evaluasi Bab 4 ....................................................................................................... 141
Proyek Siswa .......................................................................................................... 145
Re? eksi ................................................................................................................... 145
Evaluasi Akhir Semester 1 ............................................................................................ 146

BAB 5
Bilangan Bulat ............................................................................................................. 149
Peta Konsep ................................................................................................................... 150
A. Mengenal Bilangan Bulat. ...................................................................................... 151
B. Membandingkan dan Mengurutkan Bilangan Bulat ............................................. 156
C. Penjumlahan Bilangan Bulat .................................................................................. 159
D. Pengurangan Bilangan Bulat ................................................................................... 164
E. Melakukan Operasi Hitung Campuran ................................................................... 172
Rangkuman ............................................................................................................ 174
Evaluasi Bab 5 ....................................................................................................... 174
Proyek Siswa .......................................................................................................... 176
Re? eksi ................................................................................................................... 176

BAB 6
Pecahan ......................................................................................................................... 177
Peta Konsep ................................................................................................................... 178
A. Arti Pecahan dan Urutannya ................................................................................. 179
B. Menyederhanakan Pecahan .................................................................................... 188
C. Penjumlahan Pecahan.............................................................................................. 190
D. Pengurangan Pecahan.............................................................................................. 202
E. Pembulatan Pecahan Desimal ................................................................................. 209
F. Penyelesaian Masalah Pecahan ............................................................................... 211
Rangkuman ............................................................................................................. 214
Evaluasi Bab 6 ........................................................................................................ 216
Proyek Siswa .......................................................................................................... 218
Re? eksi ................................................................................................................... 218

BAB 7
Lambang Bilangan Romawi........................................................................................ 219
Peta Konsep ...................................................................................................................220
A. Lambang Bilangan Romawi .................................................................................. 221
B. Bilangan Cacah Sebagai Bilangan Romawi ........................................................... 224
Rangkuman ............................................................................................................. 228
Evaluasi Bab 7 ........................................................................................................ 228
Proyek Siswa .......................................................................................................... 229
Re? eksi ................................................................................................................... 230

BAB 8
Geometri ....................................................................................................................... 231
Peta Konsep ................................................................................................................... 232
A. Bangun Ruang Sederhana ..................................................................................... 233
B. Jaring-jaring Balok dan Kubus ............................................................................... 243
C. Bangun Datar Simetri .............................................................................................. 248
D. Pencerminan Bangun Datar..................................................................................... 256
Rangkuman ............................................................................................................. 259
Evaluasi Bab 8 ........................................................................................................ 259
Proyek Siswa .......................................................................................................... 262
Re? eksi ................................................................................................................... 262
Evaluasi Akhir Semester 2............................................................................................. 263

Glosarium ...................................................................................................................... 268
Daftar Pustaka ................................................................................................................ 274
Indeks ......................................................................................................................... 275
Kunci Jawaban ............................................................................................................... 278