grade 7,ratio

© 2007 -2010 tutorco.com 1 Q1. Express the following in ratio form: a) In a class there are 35 girls and 28 boys b) Length of segment AB = 7 cm and length of segment CD = 9cm Q.2. Express each of the following ratios in the lowest term: a) 35 : 441 b) 5 :15 c) 12 : 6 RATIO 7/7/1/S AND PROPORTION © 2007 -2010 tutorco.com 2 d) 63 : 7 e) 7.2 : 0.9 Q3. Express the following ratios in the lowest term: a) 250 g : 1Kg b) 35 days : 3 weeks c) 12m 80cm : 3m 20cm d) 45 minutes : 2 hours e) 84 cents : $3.15 © 2007 -2010 tutorco.com 3 Q4. Write each ratio in two ways. Write your answer in simplest form. 1. triangles to total 2. circles to triangles 3. all figures to circle 4. triangles to squares © 2007 -2010 tutorco.com 4 5. 10 black marbles and 4 blue marbles ratio of all the marbles to blue marbles 6. 15 black marbles and 17 blue marbles ratio of blue marbles to all the marbles 7. 17 blue marbles, 10 violet marbles, 8 red marbles, and 16 yellow marbles ratio of red marbles to violet marbles 8. 18 black marbles, 11 blue marbles, and 12 brown marbles ratio of black marbles to blue marbles