Elementary math includes number theory, which is the study of whole numbers and relations between them. This unit includes in-depth instruction on factors, multiples, primes, composites, divisibility tests, and exponents. Try our elementary math lessons below, or browse other instructional units.
|Factors and GCF
|To define factor and greatest common factor. To find all factors of a whole number. To find the GCF of two or more whole numbers.
|Multiples and LCM
|To define multiple and least common multiple. To find multiples of whole numbers. To find the LCM of two or more whole numbers.
|Prime and Composite
|To define primes and composites. To determine if a whole number is prime or composite by examining its factors.
|To determine if larger whole numbers are prime or composite by using divisibility tests for 2, 3, 4, 5, 6, 9 and 10.
|To define exponent, base and power. To learn exponential notation. To read and write numbers in exponential form. To convert between standard, factor and exponential form.
|Patterns and Exponents
|To recognize patterns with exponents. To predict the next term in a sequence of numbers written in exponential form.
|To complete 10 additional exercises as practice with number theory. To assess students' understanding of all theory presented.
|To solve 10 additional problems that challenge students' understanding of all theory presented. To hone students' problem-solving skills.
|To review complete solutions to all exercises in this unit number theory unit.
|Learn about factors, multiples, GCF, LCM, prime and composite numbers, divisibility, exponents, and patterns with exponents.