Editor de Preguntas

Preguntas de Autoevaluación

Agregar pregunta

1. Suma: (−3) + 7 = Editar Inhabilitar
   • −10 Editar Inhabilitar
   • −4 Editar Inhabilitar
   • 10 Editar Inhabilitar
   • 4 (Correcta) Editar Inhabilitar
2. Producto: (−2)·(−5) = Editar Inhabilitar
   • −10 Editar Inhabilitar
   • −7 Editar Inhabilitar
   • 3 Editar Inhabilitar
   • 10 (Correcta) Editar Inhabilitar
3. Resta: 8 − (−4) = Editar Inhabilitar
   • 4 Editar Inhabilitar
   • −12 Editar Inhabilitar
   • −4 Editar Inhabilitar
   • 12 (Correcta) Editar Inhabilitar
4. Fracción equivalente a 2/3: Editar Inhabilitar
   • 2/6 Editar Inhabilitar
   • 3/2 Editar Inhabilitar
   • 1/3 Editar Inhabilitar
   • 4/6 (Correcta) Editar Inhabilitar
5. Para sumar 1/4 + 1/6 haces… Editar Inhabilitar
   • 1/10 directamente Editar Inhabilitar
   • Sumar numeradores y denominadores Editar Inhabilitar
   • mcd(4,6)=2 → 2/10 + 3/10 Editar Inhabilitar
   • mcm(4,6)=12 → 3/12 + 2/12 (Correcta) Editar Inhabilitar
6. Simplificar 12/18: Editar Inhabilitar
   • 4/6 Editar Inhabilitar
   • 6/9 Editar Inhabilitar
   • 12/36 Editar Inhabilitar
   • 2/3 (Correcta) Editar Inhabilitar
7. División: 3/5 ÷ 2/3 = Editar Inhabilitar
   • 6/15 Editar Inhabilitar
   • 5/6 Editar Inhabilitar
   • 3/10 Editar Inhabilitar
   • 9/10 (Correcta) Editar Inhabilitar
8. Un número negativo por positivo da negativo. Editar Inhabilitar
   • Falso Editar Inhabilitar
   • Verdadero (Correcta) Editar Inhabilitar
9. Para dividir fracciones, se multiplica por el inverso. Editar Inhabilitar
   • Falso Editar Inhabilitar
   • Verdadero (Correcta) Editar Inhabilitar
10. Toda fracción mayor que 1 es impropia. Editar Inhabilitar
    • Falso Editar Inhabilitar
    • Verdadero (Correcta) Editar Inhabilitar

Preguntas de Examen Final

Agregar pregunta

1. Ordena de menor a mayor: −2, 0, −5, 3 Editar Inhabilitar
   • −2, −5, 0, 3 Editar Inhabilitar
   • 3, 0, −2, −5 Editar Inhabilitar
   • 0, −5, −2, 3 Editar Inhabilitar
   • −5, −2, 0, 3 (Correcta) Editar Inhabilitar
2. 1/2 de 3/4 = Editar Inhabilitar
   • 3/4 Editar Inhabilitar
   • 1/8 Editar Inhabilitar
   • 1/2 Editar Inhabilitar
   • 3/8 (Correcta) Editar Inhabilitar
3. Si x/3 = 5, entonces x = Editar Inhabilitar
   • 3 Editar Inhabilitar
   • 8 Editar Inhabilitar
   • 5 Editar Inhabilitar
   • 15 (Correcta) Editar Inhabilitar
4. MCD(24, 36) = Editar Inhabilitar
   • 6 Editar Inhabilitar
   • 18 Editar Inhabilitar
   • 8 Editar Inhabilitar
   • 12 (Correcta) Editar Inhabilitar
5. Si un número disminuye de 50 a 40, el descenso porcentual es… Editar Inhabilitar
   • 10% Editar Inhabilitar
   • 25% Editar Inhabilitar
   • 5% Editar Inhabilitar
   • 20% (Correcta) Editar Inhabilitar