| A | B |
|---|
| addend | numbers that are added |
| base | the number “attached” to an exponent and used as a factor; the number being multiplied; the big number on the bottom |
| clustering | a way of estimating an answer by rounding a group of closely related numbers to the same whole number |
| compatible | a way of estimating an answer by rounding a group of closely related numbers so they are easy to work with mentally |
| cubed | when a number (the base) is raised to the third power |
| decimal | a way of writing a fraction using a decimal point; the number(s) behind the decimal represent part of a whole; the decimal point separates whole numbers from parts of the whole |
| difference | the answer in a subtraction problem |
| dividend | the number being divided |
| divisible | capable of being divided evenly without a remainder |
| divisor | the number “doing the dividing”; the number of groups or the size of the groups you are creating |
| estimate | an approximate answer |
| expanded form | a way to write numbers that shows the place value of each digit and uses addition to represent the number |
| exponent | the number of times the base is used as a factor |
| front-end estimation | finding an approximate answer by rounding to and working with front digits (place value) only |
| factor | numbers that are multiplied |
| metric system | a base 10 system of weights and measures; the basic units are meter, liter, gram |
| multiple | the product of a number and any other whole number |
| place value | a system for writing numbers in which the position of the digit determines its value |
| power | a number expressed using an exponent |
| quotient | the answer in a division problem |
| scientific notation | a way of writing very big or very small numbers as a value between 1 and 10 times a power of 10 |
| squared | when a number (the base) is raised to the second power |
| square number | a number times itself produces a square number; square numbers can be represented in the shape of a square |
| square | a number that is squared; the symbol is called a radical sign |
| standard | the most common and familiar way of writing a number |
| sum | the answer in an addition problem |
| whole number | - includes 0,1,2,3, ... ; it does NOT include negative numbers, fractions, or decimals |
