
Desafios de Números e Cálculo
Authored by Ricardo Oliveira
Mathematics
9th Grade
Used 2+ times

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20 questions
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1.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Indique as frações próprias que a seguir se apresentam.
2/5
5/5
4/5
5/4
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Converta a fração imprópria 9/4 em um numeral misto.
1 1/4
2 3/4
2 1/4
1 2/4
3.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Indique o produto de 1/3 com 2/4.
3/7
2/12
1/6
1/12
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Quais são as frações equivalentes a 1/2?
2/4; 3/6; 4/8.
1/4; 2/4; 3/4.
2/4; 3/6; 5/8.
3/4; 4/6; 6/12.
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Resolva a expressão: 3 + 2 × 1/2 - 1.
2
nenhum dos valores
3
4
5/2
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Simplifique a expressão: √16 + √9.
7
10
13
25
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Compare os radicais √25 e √36. Qual é maior?
√25 é maior.
√36 é maior.
Ambos são iguais.
Não é possível comparar.
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