Is this number sentence true or false for every value of $g$g?
$g\times4=4\times g$g×4=4×g
True
False
Consider the following number sentence, where $a$a is positive:
$a\div5=5\div a$a÷5=5÷a
Is number sentence true or false?
Is this number sentence true or false for every value of $f$f and $m$m?
$1\times4fm=4fm$1×4fm=4fm
Is this number sentence true or false for every value of $u$u and $v$v?
$8uv\times0=0$8uv×0=0