Vocabulary: Adding and Subtracting Rational Numbers

Positive Rational Numbers

• numbers to the right or greater than zero

• numbers to the left or less than zero

• all numbers

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Sum

• the answer to a subtraction problem

• the answer to a multiplication problem

• the answer to a an addition problem

Tags

CCSS.6.EE.A.1

Difference

• the answer to a subtraction problem

• the answer to a multiplication problem

• the answer to a an addition problem

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Decimal Number

• A number that uses a dollar sign

• A number that is greater than 1

• A number that uses a decimal point followed by digits to show a value smaller than on

Place Value

• A numerical value of a number based on its position

• A number with zeros

• A number greater than 1

Tags

CCSS.4.NBT.A.1

Algorithm

• A rule that shows the value of each number

• A set of steps to follow to solve a problem

• Rearranging numbers

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Regrouping

• Rearranging and then renaming groups in place values (carrying in addition, borrowing in subtraction)

• Numbers that use different groups

• An answer to a division problem

Tags

CCSS.2.NBT.B.5