Unit 2 Addition and Subtraction Vocabulary

a number being added or joined together with another number(s)

• addend

• subtraction

• place value

• equal

Tags

CCSS.L.1.6

CCSS.L.3.6

CCSS.L.K.5A

the result of adding two or more numbers together

• place value

• subtraction

• sum

• order

Tags

CCSS.L.1.6

CCSS.L.3.6

CCSS.L.K.5A

a number that is subtracted from another number

• addition

• subtrahend

• addend

• even number

Tags

CCSS.L.1.6

CCSS.L.3.6

CCSS.L.K.5A

answer to a subtraction problem

• odd number

• subtraction

• addend

• difference

Tags

CCSS.L.1.5A

CCSS.L.1.5B

CCSS.L.K.5A

to combine parts or smaller values to form a number

• decompose

• compose numbers

• less than

• equal to

Tags

CCSS.L.1.6

CCSS.L.3.6

CCSS.L.K.5A

the set of positive numbers that begins at one and increases by increments of one each time (1, 2, 3,.....)

• counting (natural numbers)

• even numbers

• odd numbers

• number line

Tags

CCSS.L.1.6

CCSS.L.3.6

CCSS.L.K.5A

to break apart a number into smaller values

• addition

• place value

• decompose numbers

• odd number

Tags

CCSS.L.1.6

CCSS.L.3.6

CCSS.L.K.5A

a number that can be divided by 2 without a remainder ex: 2,4,6,8

• place value

• even number

• odd number

• addition

Tags

CCSS.L.1.6

CCSS.L.3.6

CCSS.L.K.5A

a mathematical phrase, with no equal sign or comparison symbol, that may contain a number(s), and unknown(s), or operator(s)

• subtraction

• addition

• expression

• value

Tags

CCSS.RI.3.10

CCSS.RI.4.10

CCSS.RI.5.10

CCSS.RI.6.4

CCSS.RI.7.4

related number sentences using the same set of numbers

• place value

• subtraction

• addition

• fact families

Tags

CCSS.L.1.5A

CCSS.L.1.5B

CCSS.L.K.5A