400
400
40
40
8 tens 2 ones
Four tens and two ones.
Ten tens One hundred ones
10,10,10,10,10, which shows that there are five ones in five tens.
you need 87 tens and 6 ones
40 of them.
Does 6 tens equal 60 ones
539 tens and 2 ones
22 tens and 6 units
35 tens and 7 0nes