Question | Answer |
addend | a number to be added in an addition problem |
Associative Property of Addition | states that the grouping of the addends can be changed without affecting the sum |
Commutative Property of Addition | states that the order of the addends can be changed without affecting the sum |
difference | the answer in a substraction problem |
digit | any one of these 10 numerals: 0,1,2,3,4,5,6,7,8,9 |
expanded notation | a form of notation in which number is written as the sum of the values of its digits |
fact family | a set of related addition and substraction facts |
inequality | a sentence that contains the symbols > (greater than) or < (less than) |
millions period | the period to the left of the thousands period, containing the millions place, the ten millions place, and the hundred millions place |
period | each griup of three digits seperated by a comma in a multi-digit number |
place value | determines the value of a digit in a number based on the location of the digit |
rounding | replacing a number with another number that tells about how many or how much |
subtraction | the process of finding how many are left when a number of items are taken away from a group of items; the process of finding the difference when two groups are compared |
sum | the answer in an addition problem |
thousands period | the period to the left of the ones period, containing the thousands place, and the hundred thousands place |