4-sinf matem shkalalar

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mavzu: shkalalar 109-110- betlar mustaqil topshiriqni tekshirish(108-b). 6-topshiriq. bo‘yi 16 cm, eni 12 cm bo‘lgan to‘g‘ri to‘rtburchak-ning hamma tomonlari 5 cm dan qisqartirildi. hosil bo‘lgan to‘g‘ri to‘rtburchakning perimetrini toping. 16 cm 12 cm yechish: 1) 16 – 5 = 11 (cm) – bo‘yi 2) 12 – 5 = 7 (cm) – eni 3) p = 2 (a + b) = 2 (11 + 7) = 36 (cm) javob: to‘g‘ri to‘rtburchakning perimetri 36 cm. 7 cm 11 cm p = 36 cm 7-topshiriq. tadbirkor mart oyida 26 567 kg xomashyo sotib oldi. aprel oyida mart oyidagiga nisbatan 334 kg kam xom-ashyo sotib oldi. tadbirkor shu ikki oyda qancha xomashyo sotib olgan? natijani tonnalarda ifodalang. mart oyida – 26 567 kg aprel oyida – ? 334 kg kam ? kg yechish: 26 567 334 26 233 2) 26 567 26 233 + 52 800 javob: tadbirkor shu ikki 52 t 800 kg …
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42 o x 143 144 145 146 147 148 149 150 151 152 153 154 4. ikkita nur chizing va unga quyidagi sonlarni belgilang: a) 0, 1, 2, 3; bunda birlik kesma 1 cm ga teng; . . . . 0 1 2 3 o x 1cm b) 0, 3, 6, 9; bunda birlik kesma 3 ta katakka teng. mustaqil bajarib ko‘ring. b) 0, 3, 6, 9; bunda birlik kesma 3 ta katakka teng. . . . . 0 3 6 9 o x boshqotirma 1 1 1 katakchalarga 3 ta – 2; 3 ta - 3 sonlarini shunday qo‘yish kerak, hisoblaganda turli yo‘nalishlar bo‘yicha ham sonlar yig‘indisi 6 chiqsin. 3 3 3 2 2 2 mustaqil topshiriq (110-b). 5-topshiriq. chapdan o‘ngga tomon nur chizing. birlik kesma sifatida daftarning bitta katagini oling. shunurda quyidagi sonlarni belgilang: a) 0, 3, 6, 9, 12, 15, 18; b) 1, 3, 5, 7, 9, …
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mavzu: shkalalar 109-110- betlar mustaqil topshiriqni tekshirish(108-b). 6-topshiriq. bo‘yi 16 cm, eni 12 cm bo‘lgan to‘g‘ri to‘rtburchak-ning hamma tomonlari 5 cm dan qisqartirildi. hosil bo‘lgan to‘g‘ri to‘rtburchakning perimetrini toping. 16 cm 12 cm yechish: 1) 16 – 5 = 11 (cm) – bo‘yi 2) 12 – 5 = 7 (cm) – eni 3) p = 2 (a + b) = 2 (11 + 7) = 36 (cm) javob: to‘g‘ri to‘rtburchakning perimetri 36 cm. 7 cm 11 cm p = 36 cm 7-topshiriq. tadbirkor mart oyida 26 567 kg xomashyo sotib oldi. aprel oyida mart oyidagiga nisbatan 334 kg kam xom-ashyo sotib oldi. tadbirkor shu ikki oyda qancha xomashyo sotib olgan? natijani tonnalarda ifodalang. mart oyida – 26 567 kg aprel …

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