2. Xona birliklari yig‘indisini son ko‘rinishida ifodalang:
200 + 50 + 7 700 + 6
500 + 70 + 9 900 + 90
3. Bo‘sh kataklar o‘rniga >, < yoki = belgilarini qo‘ying:
201 199 425 385 810 809
4. Bo‘sh kataklar o‘rniga tegishli sonlarni qo‘ying:
1) 180 mm = dm sm;
2) 247 mm = dm sm mm;
3) 834 sm = m dm sm = m sm.
5. Tomonlari 22 mm va 24 mm bo‘lgan to‘g‘ri to‘rtburchak chizing.
Uning perimetrini santimertr va millimetr hisobida toping.
6. O‘quvchilarning 18 nafarida 2 tadan, 16 nafarida 3 tadan katak daftar bor. O‘quvchilarda hammasi bo‘lib nechta katak daftar bor?
8-nazorat ishi
I variant
1. Amallarni bajaring:
39 · 10 7 · 100 780 : 10 900 : 100
2. Bo‘sh kataklar o‘rniga >, < yoki = belgilarini qo‘ying:
18 · 10 2 · 100 220 : 10 370 : 10
9 · 100 90 · 10 800 : 100 600 : 100
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