
Expressões algébricas
Authored by Marilia Regina
Mathematics
8th Grade
Used 19+ times

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6 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
O perímetro de um retângulo é calculado usando a fórmula:
P = 2b + 2h
O perímetro desse retângulo é:
13 cm
12 cm
10 cm
5 cm
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sendo a = 4 e b = 6, o valor numérico da expressão algébrica 3a + 5b é:
42
23
20
8
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A expressão algébrica para expressar o perímetro da figura:
P= 4x . 6y
P= 4x + 6y
P= 4x - 6y
P= 4x : 6y
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Calcule o valor numérico da expressão algébrica 4y², para y = 2.
10
16
18
20
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Observe as frutas e suas associações abaixo e resolva a última expressão:
10
11
12
14
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Resolva a expressão algébrica e complete o quadro a seguir. Com base nos seus cálculos, encontre os valores dos símbolos.
2, 3, 11 e 8
4, 6, 13 e 9
1, 5, 17 e 8
3, 1, 15 e 7
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