I can solve real-world problems by using unit rates to compare options.Puedo resolver problemas de la vida real usando tasas unitarias para comparar opciones.
MissionMisión · Maker WorkshopTaller de creadores
Build it right.Constrúyelo bien.
The Maker Workshop is restocking before build week. Every supplier packs screws, filament and paint in different sizes, so you will find each unit rate and pick the better buy.
El Taller de Creadores se está reabasteciendo antes de la semana de construcción. Cada proveedor empaca tornillos, filamento y pintura en tamaños distintos, así que hallarás cada tasa unitaria y elegirás la mejor compra.
Word bankBanco de palabras 4 words4 palabrasunit rate, better buy, per unit, …tasa unitaria, mejor compra, por unidad, …
- unit ratetasa unitaria
- A rate for just 1 of something, like the cost of 1 screw.Una tasa para solo 1 de algo, como el costo de 1 tornillo.
- better buymejor compra
- The deal that costs less for each item.La oferta que cuesta menos por cada artículo.
- per unitpor unidad
- For each single item, such as dollars per screw.Por cada artículo, como dólares por tornillo.
- ratetasa
- A ratio that compares two amounts with different units, like grams per hour.Una razón que compara dos cantidades con unidades distintas, como gramos por hora.
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.
- Pack A has 5 items for $8. Pack B has 8 items for $12. Predict which is the better buy. Then use the model to find each unit rate and use the numbers as evidence for your choice.
- Hana buys a pack of 5 markers for $7.50. What does 1 marker cost?
- $0.67
- $1.50
- $2.50
- $37.50
- Rafael buys 40 zip ties for $6. Which expression finds the price of ONE zip tie?
- 40 ÷ 6
- 40 − 6
- 6 ÷ 40
- 6 × 40
- Beatriz's machine makes 72 washers in 8 minutes. How many washers does it make in 1 minute?
- 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.
- Which is the better buy: 6 bouncy balls for $4.50 or 10 bouncy balls for $8.00?
- 10 for $8.00 — $0.80 each
- They cost the same per ball
- Not enough information
- 6 for $4.50 — $0.75 each
- A faucet drips 15 ounces of water in 5 minutes. What is the unit rate?
- 0.33 ounces per minute
- 3 ounces per minute
- 5 ounces per minute
- 15 ounces per minute
- A printer prints 42 pages in 6 minutes. How many pages does it print in 15 minutes at the same rate?
- 70 pages
- 90 pages
- 105 pages
- 120 pages
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
- A machine dispenses 24 tokens in 3 minutes. At this rate, how many tokens does it dispense in 10 minutes?
- 60 tokens
- 72 tokens
- 80 tokens
- 240 tokens
- A factory produces 360 widgets in 8 hours. At the same rate, how many widgets are produced in a 12-hour shift?
- 360 widgets
- 480 widgets
- 540 widgets
- 720 widgets
- What is the best next move?
- Divide $9.00 by 20, the number of stickers wanted.
- Multiply $9.00 × 20, the number of stickers wanted.
- Subtract 20 − 12 = 8 and add $8 to the cost.
- Find the cost of 1 sticker first, $9.00 ÷ 12.
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 Printer A's unit rate?
- 5 tickets per minute
- 25 tickets per minute
- 30 tickets per minute
- 150 tickets per minute
- What is Printer B's unit rate?
- 8 tickets per minute
- 25 tickets per minute
- 30 tickets per minute
- 200 tickets per minute
- Which printer is faster, and how long for 600 tickets?
- Printer A, 20 minutes
- Printer B, 20 minutes
- Printer B, 24 minutes
- Printer A, 24 minutes