Vocabulary
Ratios
Mixed
Tape Diagrams
100
an association between 2 quantities
What is ratio?
100
Write three different ways to describe the ratio of red circles to blue circles: 🔴🔴🔴🔵🔵
3 to 2
3:2
3 red circles to every 2 blue
100
Andre paid $13 for 3 books. Diego bought 12 books priced at the same rate. How much did Diego pay for the
$52 (4x3) 4 x 13
100
One batch of beige paint requires 4 cups of white paint, 2 cups of yellow paint, and 1 cup of red paint. Han made a large amount of this shade of beige paint. If he used 8 cups of yellow paint, how many total cups of beige paint did Han make? Use a tape diagram
What is 28 cups of paint.
200
Ratios that represent the same relationship (3:2 and 6:4)
What is equivalent ratios?
200
are 2:3 and 10:15 equivalent?
Yes
200
A train that travels 30 miles in 13 hour at a constant speed is going faster than a train that travels 20 miles in 12 hour at a constant speed.
FIRST TRAIN IS 90 MILES IN AN HOUR
SECOND TRAIN 40 MILES IN AN HOUR
200
For an activity, a teacher gave each student in the class 4 purple cards and 3 white cards. In total, the teacher gave out 91 cards.
13 students
52 purple
39 white cards
300
A diagram with two number lines that shows
equivalent ratios.
What is a double number line?
300
Which ratios are equivalent to 4:6?
Circle all correct answers: 2:3 6:4 8:12 12:18 6:8
2:3, 8:12, 12:18
300
Complete the table that your teacher shows you
The answers are.....
300
Sample response: There are 30 people at a movie. The ratio of teenagers to adults is 3 to 2.
18 teenagers
12 adults
6 6 6
6 6
400
A way to organize equivalent ratios in rows and columns.
What is a table?
400
A caterer needs to buy 21 pounds of pasta to cater a wedding. At a local store, 8 pounds of pasta cost $12. How much will the caterer pay for the pasta there?
$1.50 for one pound $1.50x21= $31.50
400
- How can we use a table to find equivalent ratios?
every row contains a ratio that is equivalent to the ratios in the other rows. Multiply numbers in the same row by the same values
500
How much of one quantity per 1 unit of another quantity.
What is unit rate?
500
Diego can type 140 words in 4 minutes.
a. At this rate, how long will it take him to type 385 words?
11 MINUTES
35 WORDS PER MINUTES (385/35)
500
What 2 things must every table include?
Labels and ratios