1. a set of related addition and subtraction facts 2. a set of related multiplication and division facts
Calculations with larger numbers using knowledge of basic arithmetic facts. Fact extensions apply to all four basic arithmetic operations.
An imaginary machine used in EVERYDAY MATHEMATICS to change numbers according to a given rule.
1. A number inserted into an imaginary function machine, which applies a rule to pair the input with an output. 2. Numbers or other information entered into a calculator or computer.
1. A number paired to an input by an imaginary function machine applying a rule. 2. Numbers or other information displayed by calculator or computer.
Parts-and-total number story
A number story in which two parts are combined to find a total. A parts-and-total diagram can be used to keep track of the numbers and missing information in such problems.
A diagram used in EVERYDAY MATHEMATICS to model situations in which quantities are either increased or decreased by addition or subtraction.
Change number story
A number story in which an amount is increased ( a change-to-more-story) A change diagram can be used to keep track of the numbers and missing information in such problems
Counting up method
When you add a number or numbers to an existing number to make it easier to work with
A set of step-by-step instructions for doing something, such as carrying out a computation or solving a problem. The most common algorithms are those for basic arithmetic computation.