Math Vocabulary

What is this image of?

 $\left(9+4\right)+3=9+\left(4+3\right)$ 

 $5+9=9+5$ 

 $1000000+0=1000000$ 

A number close to the exact value.

A missing number or the number that needs to be solved.

Numbers used for an addition sentence.

 $8+4=12$ ; Number 12 is the?

2, 4, 6, 8, 10, ...

13, 23, 33, 43, ...

These are known for?

( ) this grouping symbol is called?

Subtraction is Commutative?

Subtraction is Associative?

a number close to the exact number

to rename a number using place value

two operations that can undo each other, such as addition and subtraction

an operation that tells the difference, when some or all are taken away

the answer to a subtraction problem

a number sentence in which one quantity is taken away from another quantity