Unit 01: Extending Whole Number Operations

Compatible numbers

• a number multiplied by another number to find a product

• the number the dividend is being divided by

• a method for estimating a group of numbers by slightly adjusting some or all of the numbers to allow for easy mental computation

• a linear model used to illustrate number relationships

Compensation

• efficient application of procedures with accuracy

• a method for adjusting an estimate to draw closer to an exact calculation

• a linear model used to illustrate number relationships

• the set of counting (natural) numbers and zero {0, 1, 2, 3, ..., n}

Counting (natural) numbers

• the set of positive numbers that begins at one and increases by increments of one each time {1,2,3, ..., n}

• the number that is being divided

• the number the dividend is being divided by

• the total when two or more factors are multiplied

Dividend

• reasoning to determine an approximate value

• the set of counting (natural) numbers and zero {0,1,2,3,...,n}

• efficient application of procedures with accuracy

• the number that is being divided

Divisor

• the total when two or more factors are multiplied

• reasoning to determine an approximate value

• the number the dividend is being divided by

• a linear model used to illustrate number relationships

Product

• the number that is being divided

• the total when two or more factors are multiplied

• efficient application of procedures with accuracy

• the number the dividend is being divided by

Factor

• reasoning to determine an approximate value

• a method for adjusting an estimate to draw closer to an exact calculation

• the size or measure of each group or the number groups when the dividend is divided by the divisor

• a number multiplied by another number to find a product

Fluency

• reasoning to determine an approximate value

• efficient application of procedures with accuracy

• the number that is being divided

• the total when two or more factors are multiplied

Front-end method

• reasoning to determine an approximate value

• the size or measure of each group or the number of groups when the dividend is divided by the divisor

• a method for estimating a number in which the first digit of a number is retained and all remaining digits are changed to zero

• the total when two or more factors are multiplied

whole numbers

• the set of counting (natural) numbers and zero {0,1,2,3...,n}

• the total when two or more factors are multiplied

• efficient application of procedures with accuracy

• a number multiplied by another number to find the a product