Homework Question: Definition Of Compatible Numbers, Can You Help? Compatible number can be defined as, "The numbers which are close to the actual numbers, and can be easily added, subtracted or divided ... What Would The Compatible Numbers Be For 65 X 34?
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A compatible number is one that is near the actual number, but is easier to use for addition, subtraction, multiplication, or division. In other words, it is easy to use for estimating the answer to an arithmetic problem. Example 38 + 23 A ...
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Back to first slide ... View graphic version...
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Use compatible numbers to estimate each product and quotient. 23*1/2; 1/3*11 ... If the problem is 22*1/3 then you need to find two numbers that are divisible by 3, one smaller than 22 and one larger than 22. Since 22 is between 21 and 24, 22*1/3 is between 21*1/3 = 7 and 24*1/3 = 8.
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I see 249 as approximately 250 and 64 as approximately 65 so my first step is to estimate 249/64 by 250/65. 5 divides both the numerator and denominator so 250/65 = 50/13. ... I hope this helps, Harley ... Estimate using compatible numbers. 249 /64...
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Numbers that are easy to compute mentally. Example:;
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find sets of compatible numbers ... Java Games: Matching, concentration, word search, and flashcards. ... This activity was created by a Quia Web subscriber. Learn more about Quia...
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