Watch this Cyber Chase Video connecting factors and musical notes.
ORDER OF OPERATIONS:
A common technique for remembering the order of operations is the abbreviation "PEMDAS", which is turned into the phrase "Please Excuse My Dear Aunt Sally". It stands for "Parentheses, Exponents, Multiplication and Division, and Addition and Subtraction". This tells you the ranks of the operations: Parentheses outrank exponents, which outrank multiplication and division (but multiplication and division are at the same rank), and these two outrank addition and subtraction (which are together on the bottom rank). When you have a bunch of operations of the same rank, you just operate from left to right. For instance, 15 ÷ 3 × 4 is not 15 ÷ 12, but is rather 5 × 4, because, going from left to right, you get to the division first. (from Purple Math)
Click on this link to watch a video reviewing factors:
CyberChase Factor Video
Your brain likes repitition to move information into long term memory.
Watch, Review and Look Over your Math Notes from our whole group math lesson.
digit: symbols used to write numbers (0,1,2,3,4,5,6,7,8,9)
expanded form: shows the value of each digit (plus sign +)
standard form: write numbers by using their digits (number form)
value: how much a digit is worth (ex: 4,598 the 5's value is 500)
Can you talk about the difference between the meanings of digit, expanded form, standard form, and value?
Greatest Common Divisor: 4 example problems of determining the greatest common factor of two numbers by factoring the 2 numbers first
Least Common Multiple (LCM): U02_L3_T1_we6 Least Common Multiple (LCM)
Least Common Multiple: Example of figuring out the least common multiple of two numbers
Finding Factors of a Number: U02_L1_T3_we2 Finding Factors of a Number
Order of Operations 1: U09_L4_T1_we1 Order of Operations
Click on the Link below for an Interactive Review of Factor, Multiples, and Prime Factorization
Math Spys: Factorization Review
Prime Numbers: Identifying prime numbers
Place Value 2: U01_L1_T1_we2 Place Value 2
Multiplication 5: 2-digit times a 2-digit number: Multiplying a 2-digit number times a 2-digit number
Click on a corresponding link.
Mega Math: Ice Station Exploration: Arctic Algebra: Level N: Divisibility Rules - 4, 6
Mega Math: Ice Station Exploration: Arctic Algebra: Level M: Divisibility Rules - 2, 3, 5, 9, 10
Mega Math: Ice Station Exploration: Arctic Algebra: Level H: Value of Expressions- Multiply/ Divide
Mega Math: Ice Station Exploration: Arctic Algebra: Level E: Relate Mulitplication and Division
Mega Math: Ice Station Exploration: Arctic Algebra: Level Q: Order of Operations
Mega Math: Ice Station Exploration: Arctic Algebra: Level C: Missing Factors
Mega Math: Ice Station Exploration, Arctic Algebra, Level O
Mega Math: The Number Games: Tiny's Think Tank: Level A
Mega Math: Ice Station Exploration: Arctic Algebra: Level O
Multiply by a 2-digit number
Mega Math: The Number Games: Tiny's Think Tank: Level: F