5th - Math Chap 1 Flashcards
A number sentence that shows how many times the base number is used as a factor?
Example: 10 x 10 x 10 = 10[3]
Exponent
The property which states that multiplying a sum by a number is the same as multiplying each addend in the sum by the number and then adding the product.
Example: 3 x (4+2) = (3x4) + (3x2)
(3x6) = 12 + 6
18 = 18
Distributive Property
A mathematical phrase that uses only numbers and operation signs?
Example: (4+6)/ 5
Numerical expression
Each group of three digits separated by commas in a multi-digit number.
Example: xxx,xxx,xxx
Millions, Thousands, Ones
Period
A number used as a repeated factor. (Arithmetic)
Example: 8[3] = 8x8x8
Base
(Geometry) In two dimensions, one side of a triangle or parallelogram that is used to help find the area. In three dimensions, a plane figure, usually a polygon or circle, by which a three-dimensional figure is measured or named.
Base
To find the value of a numerical or algebraic expression.
Evaluate
Opposite operations, or operations that undo each other, such as addition and subtraction or multiplication and division.
Example: 6+3 = 9 and 9-3 = 6
5x2 = 10 and 10 / 2 = 5
Inverse operations
A special set of rules which gives the order in which calculations are done in an expression.
Order of operations
If the order of addenda changes, the sum stays the same.
Example: 12 + 7 = 7 + 12
Commutative Property of Addition
If the grouping of addenda changes, the sum stays the same.
Example: 5 + (8 + 14) = (5 + 8) + 14
Associative Property of Addition
The sum of any number and 0 is that number.
Example: 13 + 0 = 13
Identity Property of Addition
If the order of factors changes, the product stays the same.
Example: 4x9 = 9x4
Commutative Property of Multiplication
If the grouping of factors changes, the product stays the same.
Example: 11 x (3x6) = (11x3) x 6
Associative Property of Multiplication
The product of any number and 1 is that number.
Example: 4 x 1 = 4
Identity Property of Multiplication
