Vocab Wk4

Front

The reason why something happens

Back

cause

Front

The order that two digits are added doesn’t change the sum

Back

commutative (7+2=9 and 2+7=9)

Front

Hints the author gives to help define a word

Back

context clues

Front

A number close to the exact amount

Back

estimate

Front

What happened because of the cause

Back

effect

Front

The process of making a number simpler to work with by removing some detail

Back

rounding

Front

A mathematical statement that shows two expressions are equal

Back

equation (e.g., 2 + 3 = 5)

Front

A number that is added to another number

Back

addend

Front

The result of adding two or more numbers together

Back

sum

Front

A number that is subtracted from another number

Back

minuend