• Chapter 5 - Add and Subtract Decimals
    In Chapter 5, we will explore addition and subtraction problems that contain decimals.  We will also learn how to estimate sums and differences.
    Vocabulary for Chapter 5:
    Associative Property of Addition:  the way in which numbers are grouped does not change the sum
    Commutative Property of Addition:  the order in which numbers are added does not change the sum
    decimal:  a number that has digits in the tenths place, hundredths place, and beyond
    difference:  the result of a subtraction problem
    estimate:  to make an approximate calculation by using numbers that are easier to solve mentally
    Identity Property of Addition:  the sum of any number and 0 equals the number 
    sum:  the result of an addition problem
    Click here to link to a full listing of Math vocabulary terms.