Tölur og Reikningur - Skali 1a
Quiz
•
Mathematics
•
8th - 10th Grade
•
Practice Problem
•
Medium
Kjartan Jónsson
Used 22+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Samkvæmt veðurspá átti að vera -5°C hiti í Vogunum á laugardaginn.
Hitastigið reynist svo vera 3 gráðum kaldara en spáin sagði til um.
Hvert er þá hitastið í Vogunum á laugardaginn?
-2°C
-8°C
2°C
-3°C
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Dagur kemur inn í hús með klaka sem er með hitastigið -11°C.
Ef hitastigsaukningin á klakanum inn í húsinu er 2°C á klukkustund, hvað þarf Dagur þá að bíða lengi þar til klakinn bráðni við 0°C ?
11 klst
11 klst og 45 mín
5 klst
5 klst og 30 mín
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Ísabella mælir hitastigið á gosinu sínu sem reynist vera 30°C.
Hún setur gosið í frystinn en hefur það of lengi og gosið frýs. Gosið reynist vera komið í -7°C.
Hvað lækkaði það um margar gráður?
-7°C
-30°C
-37°C
-23°C
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Staðan á bankareikningi Hjalta eftir að búið var að greiða alla reikninga var –175.000kr.
Áður en hann borgaði reikningana var Hjalti með 225.000kr inn á bankareikningnum?
Hvað voru reikningarnir háir?
300.000kr
175.000kr
500.000kr
400.000kr
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Reiknaðu eftirfarandi:
15 x 11
165
145
170
180
185
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Reiknaðu eftirfarandi:
5 x 32
320
150
170
50
160
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Reiknaðu eftirfarandi:
70 x 70
49
490
4900
49000
4,9
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