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Common Core: 1st Grade Math : Number & Operations in Base Ten

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 #261 : Number & Operations In Base Ten

Which statement is true?

Possible Answers:

13=13

13<13

13>13

Correct answer:

13=13

Explanation:

and are the same number which means equals . Or 13=13 because the sign means equals.

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Example Question #262 : Number & Operations In Base Ten

Which statement is true?

Possible Answers:

26=26

26<26

26>26

Correct answer:

26=26

Explanation:

and are the same number which means equals . Or 26=26 because the sign means equals.

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Example Question #263 : Number & Operations In Base Ten

Which statement is true?

Possible Answers:

59<59

59>59

59=59

Correct answer:

59=59

Explanation:

and are the same number which means equals . Or 59=59 because the sign means equals.

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Example Question #264 : Number & Operations In Base Ten

Which statement is true?

Possible Answers:

16<23

16=23

16>23

Correct answer:

16<23

Explanation:

When you are comparing numbers with all different digits, you look at the greatest place value to determine which number is greater or less than. In this case, we are going to look at the tens place.

is less than which means that is less than . Or 16<23 because the sign means less than.

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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

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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

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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:

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

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

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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:

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

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

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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

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Common Core: 1st Grade Math : Number & Operations in Base Ten

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

All Common Core: 1st Grade Math Resources

Example Questions

Example Question #261 : Number & Operations In Base Ten

Example Question #262 : Number & Operations In Base Ten

Example Question #263 : Number & Operations In Base Ten

Example Question #264 : Number & Operations In Base Ten

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 #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 #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

All Common Core: 1st Grade Math Resources

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