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3 BOB.TAJRIBA- SINOV ISHLARINI O’TKAZISH
VA NATIJALARI TAHLILI
3.1. Tajriba-sinov ishlarining mazmuni va o’tkazish metodikasi
1. Arifmetik amallarni o’qitilishini
kuzatish, o’quvchilarning
arifmetik
amallarni bajarish bo’yicha bilim, ko’nikma, malakalarini tekshirish.
2. O’qituvchiga arifmetik amallarni o’rgatishda
pedagogik texnologiyani
tadbiq etish darslarini tashkil etish uchun didaktik materiallar va ularni qo’llash
bo’yicha metodik tavsiyalar berish va darslarni kuzatish.
3. Tajriba – sinov ishlari borishini kuzatish va natijalarini tahlil qilish.
Tajriba sinovda quyidagi topshiriqlar berildi:
a)
Arifmetik
amallar
bajarish
mazmundagi
amaliy
ishlar
berilgan
kartochkalardan namunalar
b)
173 + 59 = (173 + (59 + 1)) - 1 = (173 + 60)- 1=233 -1=232;
c)
882 + 197 = (882 + (197 + 3)) - 3 = (882 + 200) - 3 = 1082 - 3 = 1 079;
d)
55-8 = 440,
e)
2-1-2 + 0-1-3-1-5 = -11,
f)
804• 75 = (804 : 4) • 3 • 100 = 201-3-100 = 603-100 = 60300.
g)
87 • 9 = 87 • 10 - 87 = 870 - 87 = 783;
h)
21 700 : 50 = (21 700 • 2) : 100 = 43400:100 = 434;
i)
383 000 : 500= (383 000 • 2): 1 000 = 766000:1000 = 766.
j)
1 chorak
Test. 1000 ichida qo'shish va ayirish. Og'zaki qo'shish va ayirish
1. Yig'indisi to'g'ri topilgan misolni belgilang:
a) 500 + 5 = 550 d) 400 + 70 + 3 = 473
b) 600 + 20 = 602 e) 600 + 10 + 5 = 651
2. Ayirmasi to'g'ri topilgan misolni belgilang:
a) 650 - 40 = 250 d) 800 - 100 - 200 - 600
b) 720 - 20 = 70 e) 540 - 300 = 240
3. Misollarni taqqoslang:
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b) 300, 415, 480, 710, 890
d)890,710,480,4l5,30()
10. Tenglamalarning to'g'ri ycchimlarini belgilang:
1) 100 +
x= 350
a) 250 b) 450 d) 150
2) x-200 = 730
a) 530 b) 470 d) 930
11. Uchta sonning yig'indisi 640. Birinchi son 200, ikkinchi son 340.
Uchinchi
sonni belgilang:
a) 440 b) 100 d) 300
12. Ifodalarni taqqoslang
1) 36 : 9 * 18 : 3
a) > b) < d) -
2) 4 • 7 * 9 • 3
a) > b) < d) =
3) 6 • 6 - 30 * 45 : 9 + 50
a) > b) < d) =
4) 16 + 32 : 8 * 92 - 9-8
a) > b) < d) =
13. Katakchalar o'rniga kerakli sonlarni qo'ying:
1) 7 m = D sm
a) 700 b) 70 d) 7
2) 400 tiyin = D so'm
a) 40 b) 400 d) 4
3) 5 m 6 dm = D dm
a) 65 b) 506 d) 56
4) 32 mm = D sm D mm
a) 3 va 2 b) 30 va 2 d) 2 va 3
14. 3 va 8 raqamlaridan foydalanib, mumkin bo'lgan barcha uch xonali sonlar
qaysi
qatorda yozilgan:
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a) 333, 388, 338, 888, 883, 832, 383, 838
b) 333, 388, 338, 888, 883, 833, 383, 838
d) 333, 388, 338, 888, 883, 833, 383, 835
15. Amal belgilarini shunday qo'yingki, natijada tengliklar to'g'ri bo'lsin:
1) 48...8...7 = 42
a) : ; • b) +; : d) -; :
2) 5...3...15 = 30
a) • ; : b) +; + d) -; •
16. Birinchi kuni avtomobil zavodi 470 ta, ikkinchi kuni undan 50 ta
kam mashina
ishlab chiqardi. Zavod ikki kunda nechta mashina ishlab chiqargan?
a) 420 ta b) 520 ta d) 890 ta
17. Javobida 100 chiqadigan misolni belgilang:
a) 400 - 230 d) 950 - 850
b) 520 + 420 e) 140 + 270
18. Yig'indisi 1000 ga teng bo'lgan misolni belgilang:
a) 850 + 50 d) 170 - 660
b) 140 + 770 e) 460 + 540