4. Menunjukkan jam dalam kehidupan sehari-hari .......................................................................................... 51

5. Menyatakan lama waktu kegiatan dalam suatu jam .................................................................................... 54

B. Panjang.................................................................................................................................. 56

1. Membandingkan panjang dua benda.............................................................................................................. 56

2. Mengukur panjang benda dengan satuan tidak baku ................................................................................ 58

3. Mengukur panjang benda dengan satuan baku ....................................................................................... 59

4. Menggunakan alat ukur panjang yang sesuai dengan benda yang diukur .......................................... 62

C. Berat .................................................................................................................................... 64

1. Membandingkan berat dua benda................................................................................................................. 65

2. Mengukur berat benda ...................................................................................................................................... 67

3. Mengukur berat benda dengan satuan baku .............................................................................................. 70

4. Memilih alat ukur berat yang sesuai dengan benda yang diukur............................................................ 75

5. Rangkuman ........................................................................................................................................................... 78

6. Uji kompetensi ..................................................................................................................................................... 79

7. Refleksi .................................................................................................................................................................. 83