I can convert measurement units using ratios and conversion factors.Puedo convertir unidades de medida usando razones y factores de conversión.
MissionMisión · Home FieldCancha local
Train like a champion.Entrena como un campeón.
Home Field is getting ready for the big meet. The track is marked in meters, the field in yards, and the water cooler in gallons. Convert each measurement so every station is set up right.
El Campo Local se prepara para la gran competencia. La pista está marcada en metros, el campo en yardas y el enfriador de agua en galones. Convierte cada medida para que cada estación quede bien preparada.
Word bankBanco de palabras 4 words4 palabrasconversion factor, unit, equivalent, …factor de conversión, unidad, equivalente, …
- conversion factorfactor de conversión
- A ratio that helps you change one unit into another, like 1 ft = 12 in.Una razón que te ayuda a cambiar una unidad por otra, como 1 pie = 12 pulg.
- unitunidad
- A standard amount used to measure, like an inch or a liter.Una cantidad estándar para medir, como una pulgada o un litro.
- equivalentequivalente
- Having the same value, just in different units.Tener el mismo valor, solo en unidades distintas.
- metric unitsunidades métricas
- A way of measuring by 10s, like meters, liters and grams.Una forma de medir de 10 en 10, como metros, litros y gramos.
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 whether the number of inches in a 5-foot mast will be greater or less than 5. Test it in the model, then explain why the number gets larger while the mast is not any longer.
- Which ratio is equivalent to 8:12?
- 2:3
- 4:8
- 8:16
- 12:8
- Fill in the missing value: 5:9 = 20:___
- 24
- 32
- 36
- 45
- A ratio table shows 7:4 and 21:12. What was each part of 7:4 multiplied by?
- 3
- 4
- 7
- 14
- 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.
- How many inches are in 7 feet?
- 70 inches
- 72 inches
- 84 inches
- 96 inches
- How many feet are in 3 yards?
- 6 feet
- 9 feet
- 12 feet
- 36 feet
- How many ounces are in 4 pounds?
- 16 ounces
- 32 ounces
- 48 ounces
- 64 ounces
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 item with its partner.
- A shelf is 30 inches long. How many feet and inches is that?
- 1 foot 18 inches
- 2 feet 6 inches
- 2 feet 8 inches
- 3 feet 0 inches
- Fill in the table
- What is the best next move?
- Multiply by 1 ft / 12 in, so the inches cancel.
- Multiply by 12 in / 1 ft, so the feet cancel.
- Add 12 to the 8 and write 20 in as the answer.
- Multiply by 3 ft / 1 yd, to change the feet.
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.
- How many inches are in 1 foot?
- 10
- 12
- 16
- 36
- How many inches tall is the 7-foot cabinet?
- 19
- 70
- 82
- 84
- Will the cabinet fit through the 80-inch doorway?
- No, because 84 > 80
- Yes, because 84 < 80
- Yes, because 7 feet is small
- You cannot tell without the width