Standard Computational Algorithims Flashcards

0
Q

What is a reciprocal?

A

Number flipped

7/9 - 9/7

4 - 1/4

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1
Q

What is the easiest way to mentally compute 31 x 4 ?

A

30 x 4 = 120
+
4 x 1 = 4

=

124

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2
Q

What percent of 8 is 2

A

2/8 - 25%

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3
Q

To find percent of increase or decrease?

A

Take the

starting point - denominator

Amount added or subtracted - numerator

&

Divide

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