I can describe a rate using its two different units and use a model to find a travel time, and I can find a unit rate to compare prices and decide the better buy.Puedo describir una tasa con sus dos unidades distintas y usar un modelo para hallar un tiempo de viaje, y puedo hallar una tasa unitaria para comparar precios y decidir cuál es la mejor compra.
MissionMisión · Pixel ArcadeArcade de píxeles
Clear every level.Supera todos los niveles.
Welcome to Pixel Arcade! Every cabinet has a price and a score, but the signs never match. Find the unit rate for each deal to pick the best buy and the fastest ride.
¡Bienvenido a Pixel Arcade! Cada máquina tiene un precio y un puntaje, pero los letreros nunca coinciden. Halla la tasa unitaria de cada oferta para elegir la mejor compra y el viaje más rápido.
Word bankBanco de palabras 5 words5 palabrasrate, unit rate, per, …tasa, tasa unitaria, por, …
- ratetasa
- A ratio that compares two amounts with different units, like miles per hour.Una razón que compara dos cantidades con unidades distintas, como millas por hora.
- unit ratetasa unitaria
- A rate for exactly 1 of something, like the cost of 1 item.Una tasa para exactamente 1 de algo, como el costo de 1 artículo.
- perpor
- For each one, as in 5 dollars per book.Por cada uno, como en 5 dólares por libro.
- unit priceprecio unitario
- A unit rate that gives the cost of exactly one item.Una tasa unitaria que da el costo de exactamente un artículo.
- better buymejor compra
- The choice that costs less for each item.La opción que cuesta menos por cada artículo.
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.
- Read the unit rate for 5 cups of juice and 4 cups of water: divide 5 ÷ 4. Then predict the unit rate if the water is changed to 5 cups, before you look. Explain what "per 1 cup" means and why you divide.
- A bag holds 4 red marbles and 6 blue marbles. Write the ratio of red marbles to blue marbles in simplest form.
- 2:3
- 3:2
- 4:10
- 10
- What does the ratio 3:1 mean in words?
- The first amount is 3 more than the second
- There are 4 things altogether
- For every 3 of the first amount there is 1 of the second
- The two amounts are equal
- A bowl holds 4 apples and 6 oranges. What is the ratio of apples to the TOTAL pieces of fruit?
- 4:10
- 4:6
- 6:10
- 10:4
- 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.
- A booth charges $4.50 for 9 games. What is the unit rate?
- $0.45 per game
- $0.50 per game
- $2.00 per game
- $4.50 per game
- A car travels 180 miles using 6 gallons of gas. What is the unit rate in miles per gallon?
- 6 miles per gallon
- 30 miles per gallon
- 36 miles per gallon
- 180 miles per gallon
- A pack of 8 markers costs $6.00. What is the cost per marker?
- $0.60
- $0.75
- $0.80
- $1.33
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.
- Fill in the table
- Token packs: Pack A is 20 tokens for $5.00, Pack B is 35 tokens for $7.00, and Pack C is 50 tokens for $12.50. Which pack is the best deal per token?
- Pack B
- Pack A
- Pack C
- They are all the same
- Runner A completes 4 laps in 12 minutes. Runner B completes 5 laps in 14 minutes. Who runs more laps per minute?
- Runner B
- Runner A
- Same rate
- Cannot determine
- What is the best next move?
- Multiply the cost by the number of tokens: $6.40 × 8.
- Divide the cost by the number of tokens: $6.40 ÷ 8.
- Divide the tokens by the cost of them: 8 ÷ $6.40.
- Subtract the tokens from the total cost: $6.40 − 8.
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.
- 6 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.
- What is the unit rate for the small bag?
- $0.70 per cup
- $0.75 per cup
- $1.33 per cup
- $2.25 per cup
- What is the unit rate for the large bag?
- $0.70 per cup
- $0.75 per cup
- $1.43 per cup
- $5.60 per cup
- Which size is the better deal, and why?
- The small bag, because $2.25 is less than $5.60
- The small bag, because it has fewer cups
- The large bag, because $0.70 per cup is less than $0.75 per cup
- They are the same deal