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Common Core: 1st Grade Math : Place Value and Properties of Operations to Add and Subtract

Study concepts, example questions & explanations for Common Core: 1st Grade Math

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All Common Core: 1st Grade Math Resources

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Example Questions

Example Question #1 : Add A Two Digit Number To A One Digit Number, And Two Digit Number And A Multiple Of 10: Ccss.Math.Content.1.Nbt.C.4

Add:

$\frac{\begin{array}[b]{r}51\\ +\ 12\end{array}}{ \ \ \space}$

Possible Answers:

Correct answer:

Explanation:

When we add two digit numbers, we start by adding the numbers in the ones place.

$\frac{\begin{array}[b]{r}5{\color{Red} 1}\\ +\ 1{\color{Red} 2}\end{array}}{ \ \ \ \ \ \space3}$

Next, we need to add the numbers in the tens place.

$\frac{\begin{array}[b]{r}{\color{Red} 5}1\\ +\ {\color{Red} 1}2\end{array}}{ \ \ \ \ \space63}$

The final answer is

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Example Question #2 : Add A Two Digit Number To A One Digit Number, And Two Digit Number And A Multiple Of 10: Ccss.Math.Content.1.Nbt.C.4

Add:

$\frac{\begin{array}[b]{r}22\\ +\ 34\end{array}}{ \ \ \space}$

Possible Answers:

Correct answer:

Explanation:

When we add two digit numbers, we start by adding the numbers in the ones place.

$\frac{\begin{array}[b]{r}2{\color{Red} 2}\\ +\ 3{\color{Red} 4}\end{array}}{ \ \ \ \ \ \space6}$

Next, we need to add the numbers in the tens place.

$\frac{\begin{array}[b]{r}{\color{Red} 2}2\\ +\ {\color{Red} 3}4\end{array}}{ \ \ \ \space56}$

The final answer is

Report an Error

Example Question #1 : Add A Two Digit Number To A One Digit Number, And Two Digit Number And A Multiple Of 10: Ccss.Math.Content.1.Nbt.C.4

Add:

$\frac{\begin{array}[b]{r}37\\ +\ 31\end{array}}{ \ \ \space}$

Possible Answers:

Correct answer:

Explanation:

When we add two digit numbers, we start by adding the numbers in the ones place.

$\frac{\begin{array}[b]{r}3{\color{Red} 7}\\ +\ 3{\color{Red} 1}\end{array}}{ \ \ \ \ \ \space8}$

Next, we need to add the numbers in the tens place.

$\frac{\begin{array}[b]{r}{\color{Red} 3}7\\ +\ {\color{Red} 3}1\end{array}}{ \ \ \ \space68}$

The final answer is

Report an Error

Example Question #2 : Add A Two Digit Number To A One Digit Number, And Two Digit Number And A Multiple Of 10: Ccss.Math.Content.1.Nbt.C.4

Add:

$\frac{\begin{array}[b]{r}43\\ +\ 15\end{array}}{ \ \ \space}$

Possible Answers:

Correct answer:

Explanation:

When we add two digit numbers, we start by adding the numbers in the ones place.

$\frac{\begin{array}[b]{r}4{\color{Red} 3}\\ +\ 1{\color{Red} 5}\end{array}}{ \ \ \ \ \ \space8}$

Next, we need to add the numbers in the tens place.

$\frac{\begin{array}[b]{r}{\color{Red} 4}3\\ +\ {\color{Red} 1}5\end{array}}{ \ \ \ \space58}$

The final answer is

Report an Error

Example Question #5 : Add A Two Digit Number To A One Digit Number, And Two Digit Number And A Multiple Of 10: Ccss.Math.Content.1.Nbt.C.4

Add:

$\frac{\begin{array}[b]{r}13\\ +\ 76\end{array}}{ \ \ \space}$

Possible Answers:

Correct answer:

Explanation:

When we add two digit numbers, we start by adding the numbers in the ones place.

$\frac{\begin{array}[b]{r}1{\color{Red} 3}\\ +\ 7{\color{Red} 6}\end{array}}{ \ \ \ \ \ \space9}$

Next, we need to add the numbers in the tens place.

$\frac{\begin{array}[b]{r}{\color{Red} 1}3\\ +\ {\color{Red} 7}6\end{array}}{ \ \ \ \space89}$

The final answer is

Report an Error

Example Question #6 : Add A Two Digit Number To A One Digit Number, And Two Digit Number And A Multiple Of 10: Ccss.Math.Content.1.Nbt.C.4

Add:

$\frac{\begin{array}[b]{r}19\\ +\ 30\end{array}}{ \ \ \space}$

Possible Answers:

Correct answer:

Explanation:

When we add two digit numbers, we start by adding the numbers in the ones place.

$\frac{\begin{array}[b]{r}1{\color{Red} 9}\\ +\ 3{\color{Red} 0}\end{array}}{ \ \ \ \ \ \space9}$

Next, we need to add the numbers in the tens place.

$\frac{\begin{array}[b]{r}{\color{Red} 1}9\\ +\ {\color{Red} 3}0\end{array}}{ \ \ \ \space49}$

The final answer is

Report an Error

Example Question #7 : Add A Two Digit Number To A One Digit Number, And Two Digit Number And A Multiple Of 10: Ccss.Math.Content.1.Nbt.C.4

Add:

$\frac{\begin{array}[b]{r}27\\ +\ 62\end{array}}{ \ \ \space}$

Possible Answers:

Correct answer:

Explanation:

When we add two digit numbers, we start by adding the numbers in the ones place.

$\frac{\begin{array}[b]{r}2{\color{Red} 7}\\ +\ 6{\color{Red} 2}\end{array}}{ \ \ \ \ \ \space9}$

Next, we need to add the numbers in the tens place.

$\frac{\begin{array}[b]{r}{\color{Red} 2}7\\ +\ {\color{Red} 6}2\end{array}}{ \ \ \ \space89}$

The final answer is

Report an Error

Example Question #1 : Place Value And Properties Of Operations To Add And Subtract

Add:

$\frac{\begin{array}[b]{r}42\\ +\ 36\end{array}}{ \ \ \space}$

Possible Answers:

Correct answer:

Explanation:

When we add two digit numbers, we start by adding the numbers in the ones place.

$\frac{\begin{array}[b]{r}4{\color{Red} 2}\\ +\ 3{\color{Red} 6}\end{array}}{ \ \ \ \ \ \space8}$

Next, we need to add the numbers in the tens place.

$\frac{\begin{array}[b]{r}{\color{Red} 3}7\\ +\ {\color{Red} 3}1\end{array}}{ \ \ \ \space78}$

The final answer is

Report an Error

Example Question #1 : Add A Two Digit Number To A One Digit Number, And Two Digit Number And A Multiple Of 10: Ccss.Math.Content.1.Nbt.C.4

Add:

$\frac{\begin{array}[b]{r}11\\ +\ 46\end{array}}{ \ \ \space}$

Possible Answers:

Correct answer:

Explanation:

When we add two digit numbers, we start by adding the numbers in the ones place.

$\frac{\begin{array}[b]{r}1{\color{Red} 1}\\ +\ 4{\color{Red} 6}\end{array}}{ \ \ \ \ \ \space7}$

Next, we need to add the numbers in the tens place.

$\frac{\begin{array}[b]{r}{\color{Red} 1}1\\ +\ {\color{Red} 4}6\end{array}}{ \ \ \ \space57}$

The final answer is

Report an Error

Example Question #2 : Place Value And Properties Of Operations To Add And Subtract

Add:

$\frac{\begin{array}[b]{r}22\\ +\ 13\end{array}}{ \ \ \space}$

Possible Answers:

Correct answer:

Explanation:

When we add two digit numbers, we start by adding the numbers in the ones place.

$\frac{\begin{array}[b]{r}2{\color{Red} 2}\\ +\ 1{\color{Red} 3}\end{array}}{ \ \ \ \ \ \space5}$

Next, we need to add the numbers in the tens place.

$\frac{\begin{array}[b]{r}{\color{Red} 2}2\\ +\ {\color{Red} 1}3\end{array}}{ \ \ \ \space35}$

The final answer is

Report an Error

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All Common Core: 1st Grade Math Resources

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Common Core: 1st Grade Math : Place Value and Properties of Operations to Add and Subtract

Study concepts, example questions & explanations for Common Core: 1st Grade Math

All Common Core: 1st Grade Math Resources

Example Questions

Example Question #1 : Add A Two Digit Number To A One Digit Number, And Two Digit Number And A Multiple Of 10: Ccss.Math.Content.1.Nbt.C.4

Example Question #2 : Add A Two Digit Number To A One Digit Number, And Two Digit Number And A Multiple Of 10: Ccss.Math.Content.1.Nbt.C.4

Example Question #1 : Add A Two Digit Number To A One Digit Number, And Two Digit Number And A Multiple Of 10: Ccss.Math.Content.1.Nbt.C.4

Example Question #2 : Add A Two Digit Number To A One Digit Number, And Two Digit Number And A Multiple Of 10: Ccss.Math.Content.1.Nbt.C.4

Example Question #5 : Add A Two Digit Number To A One Digit Number, And Two Digit Number And A Multiple Of 10: Ccss.Math.Content.1.Nbt.C.4

Example Question #6 : Add A Two Digit Number To A One Digit Number, And Two Digit Number And A Multiple Of 10: Ccss.Math.Content.1.Nbt.C.4

Example Question #7 : Add A Two Digit Number To A One Digit Number, And Two Digit Number And A Multiple Of 10: Ccss.Math.Content.1.Nbt.C.4

Example Question #1 : Place Value And Properties Of Operations To Add And Subtract

Example Question #1 : Add A Two Digit Number To A One Digit Number, And Two Digit Number And A Multiple Of 10: Ccss.Math.Content.1.Nbt.C.4

Example Question #2 : Place Value And Properties Of Operations To Add And Subtract

All Common Core: 1st Grade Math Resources

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