Learning TargetsLearning Targets A (8.NS.3)
Learning Targets B (8.C.2)

VocabularyNumeric expression  mathematical phrase that only contains numbers and operators (like add, subtract, multiply, and divide)
Rational number bases– in a power, the base is the number used as a factor. In 3^4, 3 is the base. In this case, only rational numbers are used as bases. Integer exponents – In a power, the exponent is the number of times a base is used as a factor. In 3^4, 4 is the exponent. In this case, only integers are used as exponents. Equivalent expressions – algebraic or numerical expressions with the same value Rational number – a number that can be written as a fraction or as the quotient of two numbers a/b where b≠0 
RESOURCES
Mathematics is the language with which God wrote the universe. — Galileo TEXTBOOK RESOURCESExponent Laws 
SCIENTIFIC NOTATION 
TAKE IT TO THE NEXT LEVEL!
When adding and subtracting in scientific notation, I like to think about adding and subtracting fractions. When we add and subtract fractions, we must have a common denominiator. Similarly, in scientific notation we must have common powers of 10.

Mathematics is the queen of science, and arithmetic the queen of mathematics. 