Add the ones digits.

$\displaystyle 9+2 = 11$

The tens place of this number is one, which is the carryover.

Add the tens digits with the carryover.

$\displaystyle 8+8+(1)=17$

The tens place of this number is also one, which is the carryover.

Add the hundreds digits with the carryover.

$\displaystyle 9+1+(1) = 11$

Add the thousands digits with the carryover.

$\displaystyle 1+7+(1) = 9$

Combine all the ones digits.

The answer is:  $\displaystyle 9171$

Add the ones digits.

$\displaystyle 1+7+9+7 = 24$

Add the tens digits with the carryover, which is the tens place.

$\displaystyle 9+9+6+1+(2)=27$

Repeat the process for the hundreds digits.

$\displaystyle 7+4+1+5+(2) =19$

Add the thousands digits with the carryover.

$\displaystyle 1+9+9+0+(1) = 20$

Combine this number with the ones digits of the numbers from the previous calculation.

The answer is:  $\displaystyle 20974$

Add the ones digits.

$\displaystyle 6+3+9 = 18$

The carryover is the tens digit, one.

Add the tens digit with the carryover.

$\displaystyle 3+7+8+(1) =19$

The carryover is the tens digit, one.

Add the hundreds digit with the carryover.

$\displaystyle 2+9+3+(1) = 15$

Combine this number with the ones digits of the other two calculations.

The answer is:  $\displaystyle 1598$

Add the ones digits.

$\displaystyle 8+4+7+8 = 27$

The carryover is the tens digit, $\displaystyle 2$.

Add the tens digits with the carryover.

$\displaystyle 3+7+5+9+(2) = 26$

The carryover is the tens digit, $\displaystyle 2$.

Add the hundreds digits with the carryover.  The two digit number will have zero as the hundreds place.

$\displaystyle 2+5+4+0+(2)= 13$

The tens place is the carryover.

Add the thousands places with the carryover.

$\displaystyle 0+0+8+0+(1)=9$

The answer is:  $\displaystyle 9367$

Add the ones digits.

$\displaystyle 9+3+8=20$

The carryover is 2.

Add the tens digits with the carryover.

$\displaystyle 7+8+7+(2)=24$

The carryover is 2.

Add the hundreds digits with the carryover.

$\displaystyle 9+2+1+(2)=14$

Combine this number with the ones digits from the previous calculation.

The answer is:  $\displaystyle 1440$

Write an expression to set up the problem.

$\displaystyle 128+92+57+93+177$

Add the ones digits.

$\displaystyle 8+2+7+3+7 = 27$

The carryover is tens place, which is two.

Add the tens digits.

$\displaystyle 2+9+5+9+7+(2) =34$

The carryover is three.

Add the hundreds places with the carryover.  The two digit numbers will have zero as the hundreds places.

$\displaystyle 1+0+0+0+1+(3)=5$

Combine the ones digits from each calculation.

The answer is:  $\displaystyle 547$

Add the ones digits.

$\displaystyle 7+9+7 = 23$

The two is the carryover.

Add the tens digits with the carryover.

$\displaystyle 1+8+1+(2) = 12$

The one is the carryover.

Add the hundreds digits with the carryover.

$\displaystyle 3+9+5+(1) = 18$

Combine this number with the ones digits of the previous numbers.

The answer is:  $\displaystyle 1823$

Subtract the first two numbers by initially focusing on the ones digits.

$\displaystyle 973-236$

Borrow a one from the tens place of the first number to subtract the ones digits.  The tens place becomes a six.

$\displaystyle 13-6=7$

Subtract the tens place.

$\displaystyle 6-3=3$

Subtract the hundreds digits.  There's no need to borrow a one.

$\displaystyle 9-2 = 7$

Combine the numbers from hundreds place to the ones place.

The answer is:  $\displaystyle 737$

In order to add the fractions, we will need to convert the first fraction with least common denominator of 25.

Multiply the top and bottom of this fraction by five.

$\displaystyle \frac{1}{5}+\frac{11}{25} = \frac{1(5)}{5(5)}+\frac{11}{25} = \frac{5}{25}+\frac{11}{25}$

Add the numerators.  The denominators will stay the same.

The answer is:  $\displaystyle \frac{16}{25}$

Add the ones digits.

$\displaystyle 6+4+7+2= 19$

The carry over is the tens digit of this number.

Add the tens digits with the carryover.

$\displaystyle 9+4+8+9+(1) = 31$

The carry over for the next calculation is the tens digit of this number.

Add the hundreds digits with the carry over.

$\displaystyle 2+3+1+0+(3) = 9$

Combine the numbers.

The answer is:  $\displaystyle 919$