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Term 1 - Number
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Key Concepts:
Terms in this set (27)
Integer
The set of whole numbers and their opposites. -3,-2,-1,0,1,2,3,.....
Multiple
A product of a given whole number and any other whole number.
Factor
a number that is multiplied by another number to find a product
Prime number
A whole number that has exactly two factors, 1 and itself.
Square number
The product of a number multiplied by itself.
Square root
a number that when multiplied by itself equals a given number
Product
the answer to a multiplication problem
Distributive Law
States:
a (b + c) = ab + ac
Associative Law
States that you can add or multiply regardless of how the numbers are grouped or ordered.
Commutative Law
for addition:
a + b = b + a
for multiplication:
a x b = b x a
Compliment
The other part that makes a set
Quotient
the answer to a division problem
Powers
The number of times a number is repeated as a factor.
BIDMAS
Order of Operations
Brackets, Indices, Multiplication and Division, Addition and Subtraction
Array
An arrangement of objects in equal rows.
Acsending
Low to high
Descending
high to low
Highest Common Factor (HCF)
Is the biggest number that divides evenly into two or more numbers
Lowest Common Multiple (LCM)
is the smallest number that is a common multiple of two or more numbers ( LCM of 8&12 is 24)
Addition
The total of two or more numbers combined
Subtraction
the difference between numbers
Brackets
[ ], grouping symbols, A pair of symbols used to enclose sections of an expression.
Expanded form
A way to write numbers that shows the place value of each digit.
Sum
the answer to an addition problem
Justification
Explaining how you got an answer
Sudoku
Logic number puzzle
area
The number of square units required to cover a surface.
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