I can divide with decimals by making the divisor a whole number first.Puedo dividir con decimales convirtiendo primero el divisor en un número entero.
MissionMisión · Robot LabLaboratorio de robots
Test, measure, improve.Prueba, mide, mejora.
The Robot Lab runs on tiny amounts of oil, wire and power. Slide the decimal points, divide, and tell the robots exactly how many steps they can take.
El Laboratorio de Robots funciona con cantidades pequeñas de aceite, alambre y energía. Mueve los puntos decimales, divide y dile a los robots exactamente cuántos pasos pueden dar.
Word bankBanco de palabras 5 words5 palabrasdividend, divisor, quotient, …dividendo, divisor, cociente, …
- dividenddividendo
- The number being divided, inside the division bracket.El número que se divide, dentro de la galera de división.
- divisordivisor
- The number you divide by.El número entre el que divides.
- quotientcociente
- The answer to a division problem.La respuesta de un problema de división.
- equivalent divisiondivisión equivalente
- A division with both numbers multiplied by 10 or 100, which keeps the same quotient.Una división con los dos números multiplicados por 10 o 100, que mantiene el mismo cociente.
- annex a zeroagregar un cero
- Write a zero after the last decimal digit without changing the value.Escribir un cero después del último dígito decimal sin cambiar el valor.
Stage 1 of 5Etapa 1 de 5
Get ReadyPrepárate
Wake up what you know, then explore today's model.
Activa lo que sabes y luego explora el modelo de hoy.
- Predict the quotient of 21.6 ÷ 1.2 by comparing it with 216 ÷ 12. Explain why sliding both decimal points the same number of places keeps the quotient the same. Then check with the model.
- What is 84 ÷ 4?
- 12
- 20
- 21
- 336
- What is 396 ÷ 3?
- 13.2
- 122
- 132
- 133
- What is 936 ÷ 8?
- 107
- 116
- 117
- 127
- 1 fresh problem with new numbers each time (interactive only).
Stage 2 of 5Etapa 2 de 5
Try ItInténtalo
Use the hints when you need them. Every wrong answer tells you why.
Usa las pistas cuando las necesites. Cada respuesta incorrecta te dice por qué.
- What is 14.4 ÷ 1.2?
- 0.12
- 1.2
- 12
- 120
- What is 3.78 ÷ 0.6?
- 0.063
- 0.63
- 6.3
- 63
- What is 15.6 ÷ 1.3?
- 1.2
- 12
- 13
- 120
Stage 3 of 5Etapa 3 de 5
On Your OwnPor tu cuenta
Tables, mistakes to find, and problems with a few steps.
Tablas, errores por encontrar y problemas de varios pasos.
- Match each decimal division to its quotient.
- A water tank holds 19.2 liters. It is poured into bottles that each hold 1.6 liters. How many bottles can be filled?
- 1.2 bottles
- 11 bottles
- 12 bottles
- 13 bottles
- Spot the Common Mistake
- What is the best next move?
- Slide the point in 1.3 right and leave 5.2 as it is.
- Multiply 5.2 × 1.3 instead.
- Slide both points one place right to get 52 ÷ 13.
- Slide the point in 1.3 one place left.
Stage 4 of 5Etapa 4 de 5 · OptionalOpcional
Practice MorePractica más
Optional extra practice. Press New numbers for another problem on the same skill.
Práctica extra opcional. Toca Números nuevos para otro problema de la misma habilidad.
- 5 fresh problems with new numbers each time (interactive only).
Stage 5 of 5Etapa 5 de 5
Show What You KnowDemuestra lo que sabes
Show what you learned today. Take your time; you can try again.
Muestra lo que aprendiste hoy. Tómate tu tiempo; puedes intentarlo otra vez.
- 16.8 ÷ 2.4 = ?
- 0.7
- 4.2
- 7
- 70
- Why can you rewrite 16.8 ÷ 2.4 as 168 ÷ 24?
- Because both divisions use the same digits
- Because 168 and 16.8 are equal
- Because you always drop the decimal point
- Multiplying both numbers by 10 keeps the quotient the same
- If each piece were 2.8 feet instead, how many whole pieces could you cut?
- 5
- 6
- 7
- 8