Chapter 16: Number Theory
Lesson 1: Divisibilty Rules. Objective: To use divisibility rules for 2, 3, 5, 9, and 10.
Lesson 2: Factors and Multiples. Objective: To find factors and multiples using arrays and number lines.
Lesson 3: Prime and Composite Numbers. Objective: To identify prime and composite numbers using arrays.
Lesson 4: Problem Solving Strategy: Find a Pattern. Objective: To solve problems using the strategy find a pattern.
Lesson 5: Square Numbers. Objective: To find square numbers and the square roots of numbers.
Vocabulary: factor, multiple, divisible, prime number, composite number, square number, square root
factor: a number that is multiplied by another to find a product
multiple: a number that is the product of a given number and another whole number
divisible: a number that is divisible by a number if it is capable of beig dividend by that number without a remainder
prime number: a number that has exactly two factors, 1 and the number itself
composite number: a number that has more than two factors
square number: a number that is the product of any number and itself
square root: one of two equal factors of a number
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