Dear 7th Grade Math Parent or Guardian:
Tomorrow we will begin Chapter 4 Powers and Roots. In this chapter, your student will find powers of numbers and work with scientific notation. We will also be finding square roots and comparing real numbers. Included in this letter are key vocabulary words you can do with your student. If you have any questions or comments, feel free to contact me at school.
Homework: On a separate sheet of paper, write the definition for the vocabulary words (Definitions can be found in Chapter 4 of the text or the Chapter 4 Study Guide). Read and complete pages 70 and 72-73 on the Study Guide Handout for tomorrow.
Chapter 4 Key Vocabulary:
base the common factor of a power
cube root one of three equal factors of a number
exponent tells how many times the base is used as a factor in a power
irrational number a number that cannot be expressed as the quotient of two integers
monomial A number, a variable, or a product of a number and one or more variables.
power a product of repeated factors using an exponent and a base
radical sign the symbol used to indicate a positive square root
scientific notation a compact way of writing numbers with absolute values that are very large or very small
square root one of two equal factors of a number