4 + 9 = \displaystyle {4}+{9}= 4 + 9 = 9 + 4 = \displaystyle {9}+{4}= 9 + 4 = Select an answer
no they are opposites
yes they are equal
Select an answer
addition is commutative
subtraction is commutative
subtraction is not commutative
addition is not commutative
7 − 10 = \displaystyle {7}-{10}= 7 − 10 = 10 − 7 = \displaystyle {10}-{7}= 10 − 7 = Select an answer
no they are opposites
yes they are equal
Select an answer
addition is not commutative
subtraction is not commutative
subtraction is commutative
addition is commutative
( − 8 ) + ( − 3 ) = \displaystyle {\left(-{8}\right)}+{\left(-{3}\right)}= ( − 8 ) + ( − 3 ) = ( − 3 ) + ( − 8 ) = \displaystyle {\left(-{3}\right)}+{\left(-{8}\right)}= ( − 3 ) + ( − 8 ) = Select an answer
yes they are equal
no they are opposites
Select an answer
subtraction is commutative
subtraction is not commutative
addition is commutative
addition is not commutative
( − 4 ) − ( − 7 ) = \displaystyle {\left(-{4}\right)}-{\left(-{7}\right)}= ( − 4 ) − ( − 7 ) = ( − 7 ) − ( − 4 ) = \displaystyle {\left(-{7}\right)}-{\left(-{4}\right)}= ( − 7 ) − ( − 4 ) = Select an answer
yes they are equal
no they are opposites
Select an answer
subtraction is commutative
subtraction is not commutative
addition is not commutative
addition is commutative