
25-04-20 TEST TEST
Authored by Allar M
Mathematics
7th Grade

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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mis on avaldise 3x + 5 väärtus, kui x = 4?
Answer explanation
Asenda x = 4 avaldisesse: 3(4) + 5 = 12 + 5 = 17. Seega on õige vastus 17.
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Millised järgmistest arvudest on algarvud?
Answer explanation
Algarv on arv, mis on suurem kui 1 ja millel pole muid positiivseid jagajaid peale 1 ja iseenda. 7 ja 11 on algarvud, kuna nad vastavad neile kriteeriumidele. 9 on jagatav 3-ga ja 15 on jagatav 3 ja 5-ga, seega nad ei ole algarvud.
3.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Mis on ristküliku pindala, mille pikkus on 8 cm ja laius 5 cm?
Answer explanation
Ristküliku pindala arvutatakse korrutades selle pikkuse laiuseks: 8 cm × 5 cm = 40 cm².
4.
OPEN ENDED QUESTION
30 sec • 1 pt
Selgita, kuidas lahendaksid võrrandi 2x - 3 = 7.
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Answer explanation
Võrrandi 2x - 3 = 7 lahendamiseks liida mõlemale poolele 3, et saada 2x = 10, seejärel jaga mõlemad pooled 2-ga, et leida x = 5.
5.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
Milline matemaatika teema sulle kõige rohkem meeldib?
6.
DRAW QUESTION
30 sec • 1 pt
Joonista täisnurkne kolmnurk, millel üks nurk on märgitud 90 kraadina.

Answer explanation
Täisnurkne kolmnurk on selline, millel on üks nurk 90 kraadi, sageli märgitud väikese ruuduga tipus.
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