
Missão: ajude Maria na feira
Presentation
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Andreza Palaoro
Used 2+ times
FREE Resource
1 Slide • 7 Questions
1
Matemática - Andreza Palaoro
2
Multiple Choice
Maria vende três tipos de doces. Se representarmos com letras, qual correspondência está correta?
x = brigadeiros,
y = beijinhos,
z = balas de goma
x = balas,
y = doces,
z = vendas
x = total,
y = preço,
z = quantidade
Não é possível usar letras em matemática
3
Multiple Choice
Cada brigadeiro custa R$ 2,00. Se Maria vendeu x brigadeiros, qual expressão representa a arrecadação com eles?
x + 2
2x
x ÷ 2
2 + x
4
Multiple Choice
Os beijinhos custam R$ 1,50 cada. Se foram vendidos y beijinhos, qual expressão representa a arrecadação?
y + 1,50
1,50 + y
1,5y
y × y
5
Multiple Choice
Cada bala custa R$ 0,10. Se Maria vendeu z balas, qual expressão representa a arrecadação com elas?
0,1z
z + 0,1
z/10
10z
6
Multiple Choice
Qual expressão representa o total arrecadado com x brigadeiros, y beijinhos e z balas?
x + y + z
2x + y + z
2x + 1,5y + 0,1z
3x+y+z
7
Multiple Choice
Se Maria vendeu 10 brigadeiros, 8 beijinhos e 20 balas, quanto ela arrecadou?
R$ 28,00
R$ 30,00
R$ 36,00
R$ 34,00
8
Multiple Choice
Por que é útil usar letras (variáveis) na matemática?
Matemática - Andreza Palaoro
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