Regroup 17 ones as tens and ones.
1 ten and 6 ones
7 tens and 1 one
1 ten and 7 ones
1 ten and 8 ones
200+40=_________.
240
204
420
402
Regroup 15 tens as hundreds and tens.
1 hundred + 5 tens
5 hundred + 1 tens
1 hundred + 50 tens
5 hundred +10 tens
5 hundred + 16 tens = __________.
506
560
606
660
Regroup 6 hundred + 19 tens as hundreds and tens.
6 hundreds + 9 tens
7 hundreds + 9 tens
9 hundreds + 6 tens
9 hundreds + 19 tens
26 tens = _________.
26
260
206
620
400+9=______.
49
490
499
409
Regroup 8 tens + 16 ones ..
90+6= 96
80+6= 86
100+6=106
80+7=87
Regroup 2 tens + 16 ones .
2 tens + 6 ones
2 tens + 1 one
2 tens + 7 ones
3 tens + 6 ones
31 tens = ______________.
31
40
310
320
