Ratios Tables Make a Ratio Table Think of a relationship Make sure the order is correct

Ratios Tables Make a Ratio Table

Think of a relationshipMake sure the order is correct

Open your notebooks to your table of contents and write, “Ratio Tables” and the page number you where you will be writing your notes.

Copy the following in the notes in the notes section of your notebook.

Ratio table- a table with columns filled with pairs of numbers that have the same ratio.

A ratio table is filled with equivalent ratios.

Equivalent ratios can be found by: adding the same number repeatedly or by multiplying or dividing the each quantity by the same number

Watch the following two videos on ratio tables.

https://learnzillion.com/lesson_plans/8774-solve-ratio-problems-using-tables-and-addition

https://learnzillion.com/lesson_plans/8763-solve-ratio-problems-using-tables-and-multiplication

Jake and Joey shared some pennies in the ratio 4:9. Joey had 81 pennies. How many fewer pennies did Jake have than Joey?

Jake Joey

4 9

? 81

First, find the missing number in the ratio table. Ask yourself, “What did I do to the 9 to get to 81?” Do the same thing to 4 to get the missing number.

Then, subtract 81- the missing number to get the answer to the question.

Copy this problem, table, and directions to solve it in your notes section of your notebook.

Jake and Joey shared some pennies in the ratio 4:9. Joey had 81 pennies. How many fewer pennies did Jake have than Joey?

Jake Joey

4 9

X 9 = 36

81

Subtract 81-36=45

Answer

The ratio of the weight of Blake’s book to the weight of Derek’s book is 1:3. Blake’s book weighs 7 ounces. How much does Derek’s book weigh?

Blake’s Derek’s

1 3

The ratio of the weight of Blake’s book to the weight of Derek’s book is 1:3. Blake’s book weighs 7 ounces. How much do the two books weigh together?

Blake’s Derek’s

1 37 3 X 7 = 21

Answer

The ratio of boys to girls at the party is 8:3. There are 18 girls. How many more boys are there than girls?

Boys Girls

8 3

? 18

The ratio of boys to girls at the party is 8:3. There are 18 girls. How many more boys are there than girls?

Boys Girls

8 3

6 x 8=48

48-18=30

18

Answer

Walmart ordered extra scarfs and gloves in the ratio of 4:9. They ordered 63 gloves. How many items did she order altogether? Fill in the chart above.

Scarfs Gloves

Walmart ordered extra scarfs and gloves in the ratio of 4:9. They ordered 63 gloves. How many items did she order altogether? Fill in the chart above.

Scarfs Gloves 4 9

?

4 X 7 = 28

28+ 63= 91

63

9 X 7

Answer

For every 7 candy bars that Hope sells, Charlie sells 4. Hope sold 21 candy bars last month. How many candy bars did Charlie sell?

Hope Charlie

7 4

For every 7 candy bars that Hope sells, Charlie sells 4. Hope sold 21 candy bars last month. How many candy bars did Charlie sell?

Hope Charlie

7 4

21

7 x 3

?

4 x 3 = 12

Answer

The ratio to rock music played on the radio to country music is 3:2. If the station played 18 country tunes, how many rock songs were played? Fill in the chart.

The ratio to rock music played on the radio to country music is 3:2. If the station played 18 country tunes, how many rock songs were played? Fill in the chart.

Rock Country

3 2

3 X 9 = 27 18

Answer

Lilly and Sophie share some baseball cards in the ratio of 1:4. Sophie had 28 coins. How many fewer coins did Lilly have than Sophie.

Lilly Sophie

1 4

Lilly and Sophie share some baseball cards in the ratio of 1:4. Sophie had 28 coins. How many fewer coins did Lilly have than Sophie.

Lilly Sophie

1 41 x 7 = 7

28-7 = 21

28

Answer

During the Christmas sale, Best Buy sold movies and games in the ratio of 3:5. The store sold a total of 48 items. How many games were sold?

Movies Games Total Sold

3 5

48

During the Christmas sale, Best Buy sold movies and games in the ratio of 3:5. The store sold a total of 48 items. How many games were sold?

Movies Games Total Sold

3 5 8

X 6

=1818+30=48

X 6

=30

48

8 x 6

Answer

For every 6 sit-ups Kim can do, Sadie can do 5. They did a total of 77 crunches during Coach Saye’s class. How many Crunches did Sadie do?

Kim Sadie Total

For every 6 sit-ups Kim can do, Sadie can do 5. They did a total of 77 crunches during Coach Saye’s class. How many Crunches did Sadie do?

Kim Sadie Total

6 5 11

X 742

X 735

77

Answer

Cody and Colby won first and second place in the science fair. They had to share a cash prize of $54 in the ratio of 7:2. How much more money did Cody get than Colby? Fill in the chart.

Amber Megan

Cody and Colby won first and second place in the science fair. They had to share a cash prize of $54 in the ratio of 7:2. How much more money did Cody get than Colby? Fill in the chart.

Amber Megan

7 2 9

X 6= 42

42-12=30

x 6 = 12 54

Answer

Ashley has a total of 21 songs on the Ipod. The ratio of rock tunes to country tunes is 4:3. How many rock tunes does she have?

Rock Country Total

4 3

21

Ashley has a total of 21 songs on the Ipod. The ratio of rock tunes to country tunes is 4:3. How many rock tunes does she have?

Rock Country Total

4 3 7

X 3=12 X 3=9 21Answer

I went to the grocery store and bought 3 candy bars for 99cents. How much did I pay for 1?

Unit Rate per 1

Candy Bars Money3 .991 ?

I went to the grocery store and bought 3 candy bars for 99cents. How much did I pay for 1?

Unit Rate per 1

Candy Bars Money3 .99 .99/3 gives per 1

1 ? .33 cents each per 1

Answer

They had a sale on cereal. I bought 9 boxes for $39.60. How much did I pay per box? Complete the chart.

Unit Rate

Boxes Money

They had a sale on cereal. I bought 9 boxes for $39.60. How much did I pay per box? Complete the chart.

Unit Rate

Boxes Money

9 39.60 So divide

1 4.40

So $4.40

Answer

We went on a field trip. We had to take 6 buses because we had 192 students going. How many kids are on one bus?

Unit Rate

Per 1

Buses Kids

6 192

We went on a field trip. We had to take 6 buses because we had 192 students going. How many kids are on one bus?

Unit Rate

Per 1

Buses Kids

6 192 192/6=32

Answer

We had to set up for the 8th grade graduation. We had 91 chairs in 7 rows. How may chairs were in each row? Set up the chart. Solve

We had to set up for the 8th grade graduation. We had 91 chairs in 7 rows. How may chairs were in each row? Set up the chart. Solve

Chairs Rows

91 7 91/7=13

Or …7 x 10=70 then 21 is left so…3 x 7

13 chairs per row

Answer

A 2.6-kg bag of carrots cost $7.05. How much is one kg? Complete the chart and solve.

A 2.6-kg bag of carrots cost $7.05. How much is one kg? Complete the chart and solve.

KG Cost Carrots per bundle

2.6 7.05 Cost Per 1 kg

7.05/2.6 =

$ 2.71 per 1kg

Answer

The END

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