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20 Cards in this Set
- Front
- Back
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Distributive Property
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You can multiply a number by the sum of two other numbers or multiply the number by each and then add:
5(2 + 3) = 5(2) + 5(3) |
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Inverse Property of Addition
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You can add the opposite of a number and get zero (to cancel):
4 + -4 = 0 |
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Inverse Property of Multiplication
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You can multiply by the reciprocal of a number and get one (to cancel):
3/4 x 4/3 = 1 |
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Commutative Property
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You can change the order in which you add or multiply two numbers and get the same answer:
3 + 5 = 5 + 3 7 x 8 = 8 x 7 |
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Associative Property
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You can group numbers differently when adding or multiplying and get the same answer:
6 + (7 + 9) = (6 + 7) + 9 3 x (4 x 5) = (3 x 4) x 5 |
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Identity Property of Addition
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You can add zero to a number and keep it the same:
6 + 0 = 6 |
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Identity Property of Multiplication
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You can multiply a number by one and keep it the same:
4 x 1 = 4 |
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Area of a Triangle
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A = 1/2 bh
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Area of a Parallelogram
(including rectangles, squares, rhombi) |
A = bh
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Area of a Trapezoid
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A = 1/2 h (b1 + b2)
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Volume of a rectangular solid (box)
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V = lwh
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Surface Area of a rectangular solid (box)
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SA = 2lw + 2wh + 2lh
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Area of a Circle
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A = pi x r x r
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Circumference of a Circle
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C = pi x d
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Volume of a cylinder (can)
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V = pi x r x r x h
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Surface Area of a cylinder (can)
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SA = 2pi x r x h + 2pi x r x r
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Sin A
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opposite/hypotenuse
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Cos A
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adjacent/hypotenuse
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Tan A
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opposite/adjacent
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Pythagorean Theorem
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axa + bxb = cxc
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