Digits, Grade 7, Volume 1, Homework Helper

### 6-1: TEKS Practice

• 1. In a bouquet of flowers, there are 7 daisies and 17 roses. Write the ratio of daisies to roses in three different ways.

• 2. A jug of juice has 6 cups of pineapple juice and 5 cups of orange juice. Write the ratio of number of cups of pineapple juice to total number of cups of juice in three different ways.

• 3. Which ratio is equivalent to 4 sevenths with greater terms?

• A. 7 tenths

• B. 21 over 12

• C. 12 over 21

• D. 7 fourths

• 4. The attendant at a parking lot compared the number of hybrid vehicles to the total number of vehicles in the lot over a weekend. The ratios for the three days were equivalent. Complete the table. • 5. Write the ratio 6 ft to 4 yd as a fraction in simplest form.

• 6. You spend 15 minutes watching television. You then spend 1 hour reading e-mail. Write the ratio of the amount of time spent watching television to the amount of time spent reading email as a fraction in simplest form.

• 7. Multiple Representations One day, the local hardware store sold 22 buckets of basic house paint and 12 buckets of ultimate house paint. A bucket of basic house paint uses 3 cans of white paint and 7 cans of color paint.

• a. For a bucket of basic house paint, write the ratio of cans of color paint to cans of white paint in three different ways.

• b. Draw a picture to represent the correct ratio in a fourth way.

• 8. Personal Communication Fees An Internet, telephone, and cable TV package plan costs \$80 each month. The Internet part of the bill is \$23. The telephone part of the bill is \$16. Write the ratio of the Internet bill to the cable TV bill in three different ways.

• 9. Mental Math The ratio of boys to girls at a movie is 4 : 7. If there are 21 girls, how many boys are at the movie?

• 10. Error Analysis A survey of 25 people found that 10 had the same Internet service provider. The survey reported this information as the ratio 10 : 25. Reports about the survey used the ratios 12 : 29, 12 : 30, 2 : 5, and 4 : 10 to describe the results.

• a. Which of the ratios is not equivalent to the ratio 10 : 25?

• A. 4 : 10

• B. 12 : 30

• C. 2 : 5

• D. 12 : 29

• b. What was the error?

• A. The terms have a common factor greater than 1.

• B. The terms of the ratio are reversed.

• C. The same number was not added to or subtracted from the terms of the original ratio.

• D. The terms of the original ratio were not multiplied or divided by the same number.

• 11. Write the ratio as a fraction in simplest form.

16 feet to 6 yards

• 12.

• a. Writing Find a ratio equivalent to 12 over 21 with lower terms.

• b. Compare finding a ratio equivalent to 12 over 21 with lower terms and finding a ratio equivalent to 12 over 21 with greater terms.

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