Grade 7 · Math · Ratios and proportions · Ratio after a change | QuizPrint

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Grade 7 Math: Ratios and proportions · Ratio after a change QuizPrint.CA Ontario curriculum: Mathematics (2020) · Number B2.10 — identify proportional situations and apply proportional reasoning NameDateScore 1. A club has 80 students. The ratio of boys to girls is 5:3. Then 2 girls join and 3 boys leave. What is the new ratio of girls to boys? 2. A club has 56 students. The ratio of boys to girls is 5:3. Then 6 girls join and 3 boys leave. What is the new ratio of girls to boys? 3. A club has 54 students. The ratio of boys to girls is 2:4. Then 8 girls join and 3 boys leave. What is the new ratio of girls to boys? 4. A club has 55 students. The ratio of boys to girls is 2:3. Then 10 girls join and 3 boys leave. What is the new ratio of girls to boys? 5. A club has 99 students. The ratio of boys to girls is 4:5. Then 3 girls join and 8 boys leave. What is the new ratio of girls to boys? 6. A club has 72 students. The ratio of boys to girls is 2:4. Then 12 girls join and 6 boys leave. What is the new ratio of girls to boys? 7. A club has 49 students. The ratio of boys to girls is 4:3. Then 7 girls join and 4 boys leave. What is the new ratio of girls to boys? 8. A club has 60 students. The ratio of boys to girls is 3:2. Then 11 girls join and 10 boys leave. What is the new ratio of girls to boys? 9. A club has 90 students. The ratio of boys to girls is 4:5. Then 2 girls join and 3 boys leave. What is the new ratio of girls to boys? 10. A club has 108 students. The ratio of boys to girls is 5:4. Then 5 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 7 Math: Ratios and proportions · Ratio after a change Ontario curriculum: Mathematics (2020) · Number B2.10 — identify proportional situations and apply proportional reasoning Question numbers match the worksheet. 1.B) 32:47Start with 50 boys and 30 girls, apply the changes, then simplify. 2.C) 27:32Start with 35 boys and 21 girls, apply the changes, then simplify. 3.D) 44:15Start with 18 boys and 36 girls, apply the changes, then simplify. 4.A) 43:19Start with 22 boys and 33 girls, apply the changes, then simplify. 5.D) 29:18Start with 44 boys and 55 girls, apply the changes, then simplify. 6.A) 10:3Start with 24 boys and 48 girls, apply the changes, then simplify. 7.B) 7:6Start with 28 boys and 21 girls, apply the changes, then simplify. 8.D) 35:26Start with 36 boys and 24 girls, apply the changes, then simplify. 9.C) 52:37Start with 40 boys and 50 girls, apply the changes, then simplify. 10.B) 53:56Start with 60 boys and 48 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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