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Ratios Tables Make a Ratio Table Think of a relationship Make sure the order is correct
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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
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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
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Jake and Joey shared some pennies in the ratio 4:9. Joey had 81 pennies. How many fewer pennies did Jake have than Joey? JakeJoey 49 ?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.
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Jake and Joey shared some pennies in the ratio 4:9. Joey had 81 pennies. How many fewer pennies did Jake have than Joey? JakeJoey 49 X 9 = 36 81 Subtract 81-36=45
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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’sDerek’s 13
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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’sDerek’s 13 73 X 7 = 21
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The ratio of boys to girls at the party is 8:3. There are 18 girls. How many more boys are there than girls? BoysGirls 83 ?18
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The ratio of boys to girls at the party is 8:3. There are 18 girls. How many more boys are there than girls? BoysGirls 83 6 x 8=48 48-18=30 18
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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. ScarfsGloves
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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. ScarfsGloves 49 ? 4 X 7 = 28 28+ 63= 91 63 9 X 7
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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? HopeCharlie 74
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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? HopeCharlie 74 21 7 x 3 ? 4 x 3 = 12
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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.
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RockCountry 32 3 X 9 = 2718
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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. LillySophie 14
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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. LillySophie 14 1 x 7 = 7 28-7 = 21 28
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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? MoviesGamesTotal Sold 35 48
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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? MoviesGamesTotal Sold 358 X 6 =18 18+30= 48 X 6 =30 48 8 x 6
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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? KimSadieTotal
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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? KimSadieTotal 6511 X 7 42 X 7 35 77
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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. AmberMegan
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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. AmberMegan 729 X 6= 42 42-12=30 x 6 = 1254
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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? RockCountry Total 43 21
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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? RockCountry Total 43 7 X 3=12X 3=9 21
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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 BarsMoney 3.99 1?
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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 BarsMoney 3.99.99/3 gives per 1 1?.33 cents each per 1
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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 BoxesMoney
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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 BoxesMoney 939.60So divide 14.40 So $4.40
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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 BusesKids 6192
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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 BusesKids 6192 192/6=32
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We had to set up for the 8 th grade graduation. We had 91 chairs in 7 rows. How may chairs were in each row? Set up the chart. Solve
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ChairsRows 91791/7=13 Or …7 x 10=70 then 21 is left so…3 x 7 13 chairs per row
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A 2.6-kg bag of carrots cost $7.05. How much is one kg? Complete the chart and solve.
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KGCostCarrots per bundle 2.67.05Cost Per 1 kg 7.05/2.6 = $ 2.71 per 1kg
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The END Study for your test!!!
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