M7 Poměr: změna čísla v poměru
Quiz
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
Markéta Čechová
Used 1+ times
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12 questions
Show all answers
1.
CATEGORIZE QUESTION
3 mins • 4 pts
Roztřiď poměry podle toho, zda jde o zvětšení, zmenšení či žádnou změnu.
Groups:
(a) zvětšení
,
(b) zmenšení
,
(c) beze změny
7 : 5
4 : 1
1 : 2
2 : 1
1 : 3
3 : 3
3 : 2
1 : 1
4 : 4
5 : 4
2 : 2
6 : 7
3 : 5
6 : 6
5 : 5
5 : 6
6 : 1
3 : 4
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Změň číslo 10 v poměru 3 : 1
(nehádej, počítej)
Answer explanation
změnit v poměru 3 : 1 je stejné jako vynásobit zlomkem 3/1
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Změň číslo 15 v poměru 2 : 3
(nehádej, počítej)
Answer explanation
změnit v poměru 2 :3 je stejné jako vynásobit zlomkem 2/3
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Změň číslo 40 v poměru 1 : 5
(nehádej, počítej)
Answer explanation
změnit v poměru 1: 5 je stejné jako vynásobit zlomkem 1/5
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Změň číslo 16 v poměru 2 : 1
(nehádej, počítej)
Answer explanation
změnit v poměru 2 : 1 je stejné jako vynásobit zlomkem 2/1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Recept pro 4 osoby : špagety 400 g, šunka 300 g, sýr 120 g.
Kolik šunky potřebujeme pro 6 osob?
450 g
375 g
600 g
400 g
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Recept pro 4 osoby : špagety 400 g, šunka 300 g, sýr 120 g.
Kolik sýra potřebujeme pro 8 osob?
300 g
240 g
180 g
200 g
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