Add and Subtract Tens

• 2 tens 3 ones

• 3 tens 0 ones

• 0 tens 3 ones

• 7 tens 7 ones

• 0 tens 7 ones

• 7 tens 0 ones

• 2 tens 6 ones

• 6 tens 2 ones

• 2 tens 2 ones

• 3 tens 3 ones

• 4 tens 4 ones

• 4 tens 0 ones

• 2 tens 3 ones

• 6 tens 3 ones

• 3 tens 6 ones

• 8 tens 7 ones

• 7 tens 8 ones

• 8 tens 8 ones

• 2 tens 5 ones

• 5 tens 2 ones

• 2 tens 4 ones

• 9 tens 4 ones

• 8 tens 3 ones

• 4 tens 9 ones

• 2 tens 3 ones = 23

• 6 tens 3 ones = 63

• 3 tens 6 ones = 36

• 2 tens 9 ones = 29

• 9 tens 2 ones = 92

• 3 tens 0 ones = 30