Term
constant
EX: 5 has the same value in 5 x 3 or in
2 + 5 - 4, but has a different value in 57. |
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Definition
| a number that does not change from one situation to another |
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Term
convert
EX: 32 ounces = 2 pounds
60 minutes = 1 hour
3 feet = 3 inches = 1 yard
1 year = 12 months = 52 weeks = 365 days |
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Definition
| to change from one unit to another |
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Term
equivalent ratio
EX: 2:4 is the same as 1:2 |
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Definition
| two ratios that represent the same comparison |
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Term
proportion
EX: 3/4 = 75/100 |
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Definition
| two ratios that are equal to each other |
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Term
proportional relationship
EX: 1/2, 2/4, 3/6, 4/8, 5/10 |
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Definition
| a series of ratios or comparisons that are all equal to each other |
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Term
rate
EX: $1.24/6 oranges
55 miles/hour
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Definition
| a ratio comparing quantities of two different units |
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Term
ratio
EX: 3 ways to write ratios
fraction, double dots, word "to"
1/2 1:2 1 to 2 |
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Definition
| a comparison between two numbers; follow the same rules as fractions (can be simplified or made into equivalent ratios) |
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