Grade 8 · Math · Ratios and proportions · Ratio after a change | QuizPrint

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Grade 8 Math: Ratios and proportions · Ratio after a change QuizPrint.CA Ontario curriculum: Mathematics (2020) · Number B2.8 — compare proportional situations and determine unknown values NameDateScore 1. A club has 72 students. The ratio of boys to girls is 4:2. Then 9 girls join and 12 boys leave. What is the new ratio of girls to boys? 2. A club has 66 students. The ratio of boys to girls is 4:2. Then 7 girls join and 3 boys leave. What is the new ratio of girls to boys? 3. A club has 24 students. The ratio of boys to girls is 4:2. Then 3 girls join and 2 boys leave. What is the new ratio of girls to boys? 4. A club has 36 students. The ratio of boys to girls is 2:4. Then 3 girls join and 5 boys leave. What is the new ratio of girls to boys? 5. A club has 48 students. The ratio of boys to girls is 4:2. Then 8 girls join and 8 boys leave. What is the new ratio of girls to boys? 6. A club has 56 students. The ratio of boys to girls is 4:3. Then 5 girls join and 2 boys leave. What is the new ratio of girls to boys? 7. A club has 36 students. The ratio of boys to girls is 4:5. Then 3 girls join and 3 boys leave. What is the new ratio of girls to boys? 8. A club has 54 students. The ratio of boys to girls is 2:4. Then 2 girls join and 2 boys leave. What is the new ratio of girls to boys? 9. A club has 54 students. The ratio of boys to girls is 5:4. Then 2 girls join and 2 boys leave. What is the new ratio of girls to boys? 10. A club has 45 students. The ratio of boys to girls is 4:5. Then 3 girls join and 4 boys leave. What is the new ratio of girls to boys? Sign in to manage students and save worksheet results. Fresh practice from quizprint.ca. Unofficial practice — not a ministry test or resource. Answer key Grade 8 Math: Ratios and proportions · Ratio after a change Ontario curriculum: Mathematics (2020) · Number B2.8 — compare proportional situations and determine unknown values Question numbers match the worksheet. 1.D) 11:12Start with 48 boys and 24 girls, apply the changes, then simplify. 2.A) 29:41Start with 44 boys and 22 girls, apply the changes, then simplify. 3.D) 11:14Start with 16 boys and 8 girls, apply the changes, then simplify. 4.B) 27:7Start with 12 boys and 24 girls, apply the changes, then simplify. 5.A) 1:1Start with 32 boys and 16 girls, apply the changes, then simplify. 6.A) 29:30Start with 32 boys and 24 girls, apply the changes, then simplify. 7.A) 23:13Start with 16 boys and 20 girls, apply the changes, then simplify. 8.D) 19:8Start with 18 boys and 36 girls, apply the changes, then simplify. 9.D) 13:14Start with 30 boys and 24 girls, apply the changes, then simplify. 10.D) 7:4Start with 20 boys and 25 girls, apply the changes, then simplify. Keep this page if you are printing for a child. Fresh practice from quizprint.ca. Unofficial practice — not a ministry test or resource.

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