Three-Digit Addition Vocabulary

Taking two or more numbers and adding them together.

• strip diagram

• sum

• addition

• total

a rectangular visual model used to help solve math equations.

• represent

• strip diagram

• number line

• place value

to show

• represent

• sum

• addend

• digit

answer to an addition problem

• equation

• place value

• increment

• sum

equation using numbers and symbols

• regrouping

• number sentence

• expanded notation

• diti

increment means...

• to show

• answer to an addtion problem

• to increase

• the value of each digit in anumber

addend

• to increase

• answer to an addition problem

• numbers added together in an addition problem

• to show

place value means...

• the value of each digit in a number

• to increase

• to show

• a number sentence using the = symbol

a line separated by intervals used to solve math problems

• digit

• equation

• strip diagram

• number line

rearranging numbers by place value

• increase

• regrouping

• place value

• digit