Ratios

What is a ratio? Watch the video and take notes in your math notebook or on paper. Focus: What is a ratio? What are the three ways to write a ratio? A ratio is a comparison of two amounts by _. Multiplication Addition Division Subtraction Ratio matching game Match each ratio to it's equivalent. 3 cats to 4 dogs 3 to 4 5 blue marbles to 6 green marbles 5 : 6 6 purple markers to 5 yellow markers 6 : 5 24 video games per 2 game consoles 24 / 2 15 chairs to 3 tables 15 to 3 What is the ratio of squares to diamonds in the picture above? 15 : 20 20 : 15 What is the ratio of diamonds to total shapes in the picture above? 20 :35 20 : 15 Look around your space What is a ratio you have in your space around you? What are the 3 different ways to write that ratio? For example: In my home, we have 2 adults and 1 dog. The ratio of adults to dogs would be 2:1, 2 to 1, or 2