20 – qizil 30 – olovrang 50 – sariq 60 – qora 70 – yashil

20 – QIZIL
30 – OLOVRANG
50 – SARIQ
60 – QORA
70 – YASHIL
90 - MOVIY

1. Masala.
Sharti:
1-bidonda – 29 L yog’
2-bidonda 1-bidondan-?, L kam yog’ bor.
Jami yog’ - ? L
Yechish:
Javob:

2. Misollar.

40 cm + 30 cm = 25 dm + 25 dm =
80 m - 20 m = 20cm+45 cm= dm cm
28 L + 3 L = 37 L - 30 L =
50 kg + 45 kg = 70 kg- 28 kg=

3. hisoblang.

45+23= 79-34= 67- 28 = 84+10= 98-18= 42+24=
4. Kesma chizing.
AB = 1 dm
A |—————————| B