Unit+3+-+Multiplication+and+Division;+Nuber+Sentences+and+Algebra

__Lesson 3-1__
What's My Rule? problem - a type of problem that asks fora rule connecting two sets of numbers. Also a type of problem that asks for one of the sets of numbers, given a rule and the other set of numbers.

__Lesson 3-2__
factor - One of two or more numbers that are multiplied to give a product. 7.......... * ............8 = 56 factor............. factor

product - The result of multiplying two numbers called factors. 6 * 8 = 48 ...........product

factor pair - a factor pair is two numbers that if multiplied will get a product.

Multiple of a number n – A product of n and a counting number. n = 7, multiples = 7, 14, 21, 28. ..

square numbers - A number that is the product of a whole number multiplied by itself. 5 * 5 = 25 turn-around facts - A pair of multiplication facts in which the order of the factors is reversed. 6 * 7 = 42 7 * 6 = 42