Operations - 2nd Grade Math
Card 0 of 12
Solve:
![\frac{\begin{array}[b]{r}642\ -\ 100\end{array}}{ \ \ \ \space }](https://vt-vtwa-assets.varsitytutors.com/vt-vtwa/uploads/formula_image/image/994982/gif.latex)
Solve:
When subtracting any number by
the only number that will change in your answer is the hundreds place.



![\frac{\begin{array}[b]{r}642\ -\ 100\end{array}}{ \ \ \ \space 542}](https://vt-vtwa-assets.varsitytutors.com/vt-vtwa/uploads/formula_image/image/420984/gif.latex)
When subtracting any number by the only number that will change in your answer is the hundreds place.
Compare your answer with the correct one above
The pet store has
goldfish in a tank. A teacher bought
goldfish for her school’s fish tank. How many goldfish does the pet store have left?
The pet store has goldfish in a tank. A teacher bought
goldfish for her school’s fish tank. How many goldfish does the pet store have left?
This is a subtraction problem because we want to know how many goldfish the pet store has left over after the teacher buys the first and takes them away from the store. We take the number of goldfish that the store had and then subtract the number that the teacher bought.
![\frac{\begin{array}[b]{r}48\ -\ 10\end{array}}{ \ \ \ \space 38}](https://vt-vtwa-assets.varsitytutors.com/vt-vtwa/uploads/formula_image/image/994984/gif.latex)
This is a subtraction problem because we want to know how many goldfish the pet store has left over after the teacher buys the first and takes them away from the store. We take the number of goldfish that the store had and then subtract the number that the teacher bought.
Compare your answer with the correct one above
David is
taller than Alison. Alison is
tall. How tall is David?
David is taller than Alison. Alison is
tall. How tall is David?
This is an addition problem because we have the difference in height from the question. Alison is
inches tall and David is
inches taller than her,
is our difference. We can add our difference to Alison's height to find out how tall David is.
![\frac{\begin{array}[b]{r}53\ +\ 23\end{array}}{ \ \ \ \space 76}](https://vt-vtwa-assets.varsitytutors.com/vt-vtwa/uploads/formula_image/image/542175/gif.latex)
This is an addition problem because we have the difference in height from the question. Alison is inches tall and David is
inches taller than her,
is our difference. We can add our difference to Alison's height to find out how tall David is.
Compare your answer with the correct one above
Solve:
![\frac{\begin{array}[b]{r}642\ -\ 100\end{array}}{ \ \ \ \space }](https://vt-vtwa-assets.varsitytutors.com/vt-vtwa/uploads/formula_image/image/994982/gif.latex)
Solve:
When subtracting any number by
the only number that will change in your answer is the hundreds place.



![\frac{\begin{array}[b]{r}642\ -\ 100\end{array}}{ \ \ \ \space 542}](https://vt-vtwa-assets.varsitytutors.com/vt-vtwa/uploads/formula_image/image/420984/gif.latex)
When subtracting any number by the only number that will change in your answer is the hundreds place.
Compare your answer with the correct one above
The pet store has
goldfish in a tank. A teacher bought
goldfish for her school’s fish tank. How many goldfish does the pet store have left?
The pet store has goldfish in a tank. A teacher bought
goldfish for her school’s fish tank. How many goldfish does the pet store have left?
This is a subtraction problem because we want to know how many goldfish the pet store has left over after the teacher buys the first and takes them away from the store. We take the number of goldfish that the store had and then subtract the number that the teacher bought.
![\frac{\begin{array}[b]{r}48\ -\ 10\end{array}}{ \ \ \ \space 38}](https://vt-vtwa-assets.varsitytutors.com/vt-vtwa/uploads/formula_image/image/994984/gif.latex)
This is a subtraction problem because we want to know how many goldfish the pet store has left over after the teacher buys the first and takes them away from the store. We take the number of goldfish that the store had and then subtract the number that the teacher bought.
Compare your answer with the correct one above
David is
taller than Alison. Alison is
tall. How tall is David?
David is taller than Alison. Alison is
tall. How tall is David?
This is an addition problem because we have the difference in height from the question. Alison is
inches tall and David is
inches taller than her,
is our difference. We can add our difference to Alison's height to find out how tall David is.
![\frac{\begin{array}[b]{r}53\ +\ 23\end{array}}{ \ \ \ \space 76}](https://vt-vtwa-assets.varsitytutors.com/vt-vtwa/uploads/formula_image/image/542175/gif.latex)
This is an addition problem because we have the difference in height from the question. Alison is inches tall and David is
inches taller than her,
is our difference. We can add our difference to Alison's height to find out how tall David is.
Compare your answer with the correct one above
Solve:
![\frac{\begin{array}[b]{r}642\ -\ 100\end{array}}{ \ \ \ \space }](https://vt-vtwa-assets.varsitytutors.com/vt-vtwa/uploads/formula_image/image/994982/gif.latex)
Solve:
When subtracting any number by
the only number that will change in your answer is the hundreds place.



![\frac{\begin{array}[b]{r}642\ -\ 100\end{array}}{ \ \ \ \space 542}](https://vt-vtwa-assets.varsitytutors.com/vt-vtwa/uploads/formula_image/image/420984/gif.latex)
When subtracting any number by the only number that will change in your answer is the hundreds place.
Compare your answer with the correct one above
The pet store has
goldfish in a tank. A teacher bought
goldfish for her school’s fish tank. How many goldfish does the pet store have left?
The pet store has goldfish in a tank. A teacher bought
goldfish for her school’s fish tank. How many goldfish does the pet store have left?
This is a subtraction problem because we want to know how many goldfish the pet store has left over after the teacher buys the first and takes them away from the store. We take the number of goldfish that the store had and then subtract the number that the teacher bought.
![\frac{\begin{array}[b]{r}48\ -\ 10\end{array}}{ \ \ \ \space 38}](https://vt-vtwa-assets.varsitytutors.com/vt-vtwa/uploads/formula_image/image/994984/gif.latex)
This is a subtraction problem because we want to know how many goldfish the pet store has left over after the teacher buys the first and takes them away from the store. We take the number of goldfish that the store had and then subtract the number that the teacher bought.
Compare your answer with the correct one above
David is
taller than Alison. Alison is
tall. How tall is David?
David is taller than Alison. Alison is
tall. How tall is David?
This is an addition problem because we have the difference in height from the question. Alison is
inches tall and David is
inches taller than her,
is our difference. We can add our difference to Alison's height to find out how tall David is.
![\frac{\begin{array}[b]{r}53\ +\ 23\end{array}}{ \ \ \ \space 76}](https://vt-vtwa-assets.varsitytutors.com/vt-vtwa/uploads/formula_image/image/542175/gif.latex)
This is an addition problem because we have the difference in height from the question. Alison is inches tall and David is
inches taller than her,
is our difference. We can add our difference to Alison's height to find out how tall David is.
Compare your answer with the correct one above
Solve:
![\frac{\begin{array}[b]{r}642\ -\ 100\end{array}}{ \ \ \ \space }](https://vt-vtwa-assets.varsitytutors.com/vt-vtwa/uploads/formula_image/image/994982/gif.latex)
Solve:
When subtracting any number by
the only number that will change in your answer is the hundreds place.



![\frac{\begin{array}[b]{r}642\ -\ 100\end{array}}{ \ \ \ \space 542}](https://vt-vtwa-assets.varsitytutors.com/vt-vtwa/uploads/formula_image/image/420984/gif.latex)
When subtracting any number by the only number that will change in your answer is the hundreds place.
Compare your answer with the correct one above
The pet store has
goldfish in a tank. A teacher bought
goldfish for her school’s fish tank. How many goldfish does the pet store have left?
The pet store has goldfish in a tank. A teacher bought
goldfish for her school’s fish tank. How many goldfish does the pet store have left?
This is a subtraction problem because we want to know how many goldfish the pet store has left over after the teacher buys the first and takes them away from the store. We take the number of goldfish that the store had and then subtract the number that the teacher bought.
![\frac{\begin{array}[b]{r}48\ -\ 10\end{array}}{ \ \ \ \space 38}](https://vt-vtwa-assets.varsitytutors.com/vt-vtwa/uploads/formula_image/image/994984/gif.latex)
This is a subtraction problem because we want to know how many goldfish the pet store has left over after the teacher buys the first and takes them away from the store. We take the number of goldfish that the store had and then subtract the number that the teacher bought.
Compare your answer with the correct one above
David is
taller than Alison. Alison is
tall. How tall is David?
David is taller than Alison. Alison is
tall. How tall is David?
This is an addition problem because we have the difference in height from the question. Alison is
inches tall and David is
inches taller than her,
is our difference. We can add our difference to Alison's height to find out how tall David is.
![\frac{\begin{array}[b]{r}53\ +\ 23\end{array}}{ \ \ \ \space 76}](https://vt-vtwa-assets.varsitytutors.com/vt-vtwa/uploads/formula_image/image/542175/gif.latex)
This is an addition problem because we have the difference in height from the question. Alison is inches tall and David is
inches taller than her,
is our difference. We can add our difference to Alison's height to find out how tall David is.
Compare your answer with the correct one above