Questions | 5 |
Topics | Adding & Subtracting Fractions, Defining Exponents, Factors & Multiples, PEMDAS, Sequence |
Fractions must share a common denominator in order to be added or subtracted. The common denominator is the least common multiple of all the denominators.
An exponent (cbe) consists of coefficient (c) and a base (b) raised to a power (e). The exponent indicates the number of times that the base is multiplied by itself. A base with an exponent of 1 equals the base (b1 = b) and a base with an exponent of 0 equals 1 ( (b0 = 1).
A factor is a positive integer that divides evenly into a given number. The factors of 8 are 1, 2, 4, and 8. A multiple is a number that is the product of that number and an integer. The multiples of 8 are 0, 8, 16, 24, ...
Arithmetic operations must be performed in the following specific order:
The acronym PEMDAS can help remind you of the order.
A sequence is a group of ordered numbers. An arithmetic sequence is a sequence in which each successive number is equal to the number before it plus some constant number.