Introduction to Ratio and Ratio Reasoning CL Skills Practice

Determine whether the following situation represents additive reasoning or multiplicative reasoning. Angelina’s plant has grown a total of 8 inches, and Mei’s plant has grown a total of 9 inches. Mei’s has grown more than Angelina’s.

• A. Additive reasoning

• B. Multiplicative reasoning

Determine whether the following situation represents additive reasoning or multiplicative reasoning. Carlos has 7 apples, and Jasmine has 4 times as many, or 28 apples.

• A. Additive reasoning

• B. Multiplicative reasoning

Determine whether the following situation represents additive reasoning or multiplicative reasoning. Valentina’s Age (years): 8, 9, 10, 15 Mason’s Age (years): 12, 13, 14, 19

• Additive reasoning

• Multiplicative reasoning

Determine whether the following situation represents additive reasoning or multiplicative reasoning. Number of Laps Sebastion Ran: 3, 9, 15, 18 Number of Laps Logan Ran: 1, 3, 5, 6

• A. Additive reasoning

• B. Multiplicative reasoning

Determine whether the following situation represents additive reasoning or multiplicative reasoning. The Hawks scored 20 points in the first half of the game. The team scored twice as many points in the second half of the game.

• A. Additive reasoning

• B. Multiplicative reasoning

Determine whether the following situation represents additive reasoning or multiplicative reasoning. The temperature was 70 degrees Fahrenheit. It rose 3 degrees in one hour.

• A. Additive reasoning

• B. Multiplicative reasoning

Write a part-to-part and a part-to-whole ratio for the following problem situation using words, with a colon, and in fractional form: Of the 200 students surveyed in 5th grade, 120 prefer bananas and 80 prefer apples.

• Part-to-part ratio (bananas to apples): - In words: 120 to 80 - With a colon: 120:80 - In fractional form: 120/80 Part-to-whole ratio (bananas to total): - In words: 120 to 200 - With a colon: 120:200 - In fractional form: 120/200 Part-to-whole ratio (apples to total): - In words: 80 to 200 - With a colon: 80:200 - In fractional form: 80/200

• Part-to-part ratio (bananas to apples): - In words: 80 to 120 - With a colon: 80:120 - In fractional form: 80/120 Part-to-whole ratio (bananas to total): - In words: 80 to 200 - With a colon: 80:200 - In fractional form: 80/200 Part-to-whole ratio (apples to total): - In words: 120 to 200 - With a colon: 120:200 - In fractional form: 120/200

• Part-to-part ratio (bananas to apples): - In words: 120 to 100 - With a colon: 120:100 - In fractional form: 120/100 Part-to-whole ratio (bananas to total): - In words: 120 to 180 - With a colon: 120:180 - In fractional form: 120/180 Part-to-whole ratio (apples to total): - In words: 80 to 180 - With a colon: 80:180 - In fractional form: 80/180

• Part-to-part ratio (bananas to apples): - In words: 200 to 120 - With a colon: 200:120 - In fractional form: 200/120 Part-to-whole ratio (bananas to total): - In words: 200 to 80 - With a colon: 200:80 - In fractional form: 200/80 Part-to-whole ratio (apples to total): - In words: 120 to 80 - With a colon: 120:80 - In fractional form: 120/80

Emily’s movie collection consists of 45 action movies and 31 comedy movies. What is the ratio of action movies to comedy movies in her collection? (Write your answer in simplest form.)

• 45:31

• 31:45

• 76:45

• 45:76