What method can I use to find out if two ratios are equivalent?
Cross multiply and compare the cross products. If the cross products are equal then the ratios are equivalent.
Which of the following is NOT an equivalent ratio? 1/2, 4/8, 25/50 3/5
3/5
What is the definition of a ratio?
A ratio is a multiplicative comparison of two quantities with the same unit.
How many ways can you write a ratio?
3 ways
The recipe called for two diced apples, 10 diced strawberries, 3 diced bananas, and 4 diced kiwi. What is the ratio of apples to bananas?
2:3
There are 7 red crayons in the box of 24 crayons? What part-to-whole ratio can be written from this information?
7/24
Mark has four pairs of white socks and six pairs of black socks. The ratio of white socks to black socks is 4 to 6. Is this a part-to-part ratio, a whole-to-part ratio, or a part- to -whole ratio?
It is a part-to-part ratio.
What is the definition of a rate?
A rate is a comparison by division of two quantities with different units.
What math operations can I use to create equivalent rates and ratios?
Multiplication and/or division
There are 5 circles, 4 squares, 3 triangles, and 7 stars. What are the three ways to write the ratios of triangles to stars?
3 to 7; 3:7; 3/7
4 scarves cost $20.48? What is the unit price for one scarf?
$5.12
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