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### Number and Operations in Base Ten

TermDefinition
place value The value of where the digit is in the number.
greater than is used to compare two numbers when the first number is larger than the second number. Represented by symbol >.
less than is a symbol used to compare two numbers, with the lesser number given first 2<4
equal to A term that indicates the same amount, measure or quantity as another amount, measure or quantity.
comparisons/compare Examine the difference between numbers, to decide if one number is greater than, or equal to another number. Examine how shapes are alike or different.
round making a number simpler but keeping its value close to what it was.
inequality that two values are not equal.
expression Numbers, symbols and operators (such as + and ×) grouped together that show the value of something.
add To bring two or more numbers (or things) together to make a new total.
subtract To take one number away from another.
difference The result of subtracting one number from another
equation says that two things are equal. It will have an equals sign "=" like this: 7 + 2 = 10 − 1
rectangular arrays An arrangement of objects into rows and columns that form a rectangle. All rows and columns must be filled . Each row has the same number of objects and each column has the same number of objects.
area model A model for multiplication problems, in which the length and width of a rectangle represents the factors.
multiply The basic idea is repeated addition to find a product.
divide split into equal parts or groups. It is "fair sharing".
factor numbers you can multiply together to get another number.
product The answer when two or more numbers are multiplied together
quotient The answer after you divide one number by another dividend ÷ divisor = ?
reasonableness Within likely or sensible boundaries.
Created by: ewall5

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