Understanding Ratios Number a paper from one to 15 and find these ratios.

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Presentation transcript:

Understanding Ratios Number a paper from one to 15 and find these ratios.

Write the ratios. 1.Circles to squares 2.Circles to clouds 3.Clouds to circles 4.Circles to all figures 5.Clouds to all figures 6.All figures to squares 7.Squares to all figures

Answers 1.Circles to squares 7 to 5 7/5 part-to-part 2.Circles to clouds 7 to 3 7/3 part-to-part 3.Clouds to circles 3 to 7 3/7 part-to-part 4.Circles to all figures 7 to 15 7/15 part-to-whole 5.Clouds to all figures 3 to 15 (1 to 5 or 1/5) part-to-whole 6.All figures to squares 15 to 5 ( 3 to 1 or 3/1) whole-to-part 7.Squares to all figures 5 to 15 (1 to 3 or 1/3) part-to-whole

Write the ratios. The class has 30 students. Fourteen are girls. 8.Girls to boys 9.Boys to girls 10.Girls to all students 11.Boys to all students

Answers The class has 30 students. Fourteen are girls. 8.Girls to boys 14:16 = 7 to 8 or 7/8 9.Boys to girls 16:14 = 8 to 7 or 8/7 10.Girls to all students 14:30 = 7 to 15 or 7/15 11.Boys to all students 16:30 = 8 to 15 or 8/15

Write the ratios. 12.Length to width 13.Width to length 12 in 3 in

Answers 12.Length to width 12 to 3 = 4 to 1 or 4/1 13.Width to length 3 to 12 = 1 to 4 or 1/4 12 in 3 in

Write the ratios. Your dog is 24 inches long and 18 inches high. 14.Height to length 15.Length to height

Answers Your dog is 24 inches long and 18 inches high. 14.Height to length 18:24 = 3 to 4 or 3/4 15.Length to height 24 to 18 = 4 to 3 or 4/3