Misc 2nd grade Math Vocab

Front

A number added to another.

Back

Addend

Front

Shape with 3 sides and angles

Back

Triangle

Front

A quadrilateral with 4 equal sides and 4 right angles

Back

Square

Front

A number sentence with an equal sign and answer

Back

Equation

Front

A quadrilateral with 4 right angles, 2 short sides, 2 long sides.

Back

Rectangle

Front

Writing a number to the nearest 10, 100, 1,000

Back

Rounding

Front

A number sentence without an equal sign or answer.

Back

Expression

Front

A careful guess; means TO ROUND

Back

Estimate

Front

Two identical addends

Back

Doubles

Front

Another word for NUMBER

Back

Numeral