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Common Core: 2nd Grade Math : Common Core Math: Grade 2

Study concepts, example questions & explanations for Common Core: 2nd Grade Math

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All Common Core: 2nd Grade Math Resources

7 Diagnostic Tests 217 Practice Tests Question of the Day Flashcards Learn by Concept

Example Questions

Example Question #41 : Mentally Add And Subtract 10 Or 100 To A Given Number : Ccss.Math.Content.2.Nbt.B.8

$\frac{\begin{array}[b]{r}134\\ -\ 10\end{array}}{ \ \ \space ?}$

Possible Answers:

234

224

124

133

144

Correct answer:

124

Explanation:

When subtracting any number by the only number that will change in your answer is the tens place.

4-0=4

3-1=2

1-0=1

$\frac{\begin{array}[b]{r}134\\ -\ 10\end{array}}{ \ \ \space 124}$

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Example Question #301 : Numbers And Operations

$\frac{\begin{array}[b]{r}629\\ -\ 10\end{array}}{ \ \ \space ?}$

Possible Answers:

628

639

519

619

529

Correct answer:

619

Explanation:

When subtracting any number by the only number that will change in your answer is the tens place.

9-0=9

2-1=1

6-0=6

$\frac{\begin{array}[b]{r}629\\ -\ 10\end{array}}{ \ \ \space 619}$

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Example Question #42 : Mentally Add And Subtract 10 Or 100 To A Given Number : Ccss.Math.Content.2.Nbt.B.8

$\frac{\begin{array}[b]{r}741\\ -\ 10\end{array}}{ \ \ \space ?}$

Possible Answers:

841

730

751

731

740

Correct answer:

731

Explanation:

When subtracting any number by the only number that will change in your answer is the tens place.

1-0=1

4-1=3

7-0=7

$\frac{\begin{array}[b]{r}741\\ -\ 10\end{array}}{ \ \ \space 731}$

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Example Question #41 : Mentally Add And Subtract 10 Or 100 To A Given Number : Ccss.Math.Content.2.Nbt.B.8

$\frac{\begin{array}[b]{r}812\\ -\ 10\end{array}}{ \ \ \space ?}$

Possible Answers:

912

802

822

832

902

Correct answer:

802

Explanation:

When subtracting any number by the only number that will change in your answer is the tens place.

2-0=2

1-1=0

8-0=8

$\frac{\begin{array}[b]{r}812\\ -\ 10\end{array}}{ \ \ \space 802}$

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Example Question #43 : Mentally Add And Subtract 10 Or 100 To A Given Number : Ccss.Math.Content.2.Nbt.B.8

$\frac{\begin{array}[b]{r}432\\ -\ 10\end{array}}{ \ \ \ \space ?}$

Possible Answers:

431

412

422

332

312

Correct answer:

422

Explanation:

When subtracting any number by the only number that will change in your answer is the tens place.

2-0=2

3-1=2

4-0=4

$\frac{\begin{array}[b]{r}432\\ -\ 10\end{array}}{ \ \ \ \space 422}$

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Example Question #1337 : How To Add

$\frac{\begin{array}[b]{r}741\\ +\ 10\end{array}}{?}$

Possible Answers:

761

751

841

742

641

Correct answer:

751

Explanation:

When adding any number by the only number that will change in your answer is the tens place.

1+0=1

4+1=5

7+0=7

$\frac{\begin{array}[b]{r}741\\ +\ 10\end{array}}{\ \ \space751}$

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Example Question #1122 : Number & Operations In Base Ten

$\frac{\begin{array}[b]{r}587\\ -\ 100\end{array}}{ \ \ \ \space ?}$

Possible Answers:

586

577

487

577

687

Correct answer:

487

Explanation:

When subtracting any number by 100 the only number that will change in your answer is the hundreds place.

7-0=7

8-0=8

5-1=4

$\frac{\begin{array}[b]{r}587\\ -\ 100\end{array}}{ \ \ \ \space 487}$

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Example Question #71 : How To Find The Missing Part Of A List

Which would make the most sense to use if we were going to measure a taco?

Possible Answers:

Meter stick

Ruler

Yardstick

Measuring tape

Correct answer:

Ruler

Explanation:

You would use a ruler to measure a taco because a taco is most likely smaller than 12 inches, which is the size of a ruler. All of the other tools will be much larger.

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Example Question #71 : How To Find The Missing Part Of A List

Which would make the most sense to use if we were going to measure a candle?

Possible Answers:

Meter stick

Measuring tape

Yardstick

Ruler

Correct answer:

Ruler

Explanation:

You would use a ruler to measure a shoe because a candle is most likely smaller than 12 inches, which is the size of a ruler. All of the other tools will be much larger.

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Example Question #1 : Measurement & Data

Which would make the most sense to use if we were going to measure a jar?

Possible Answers:

Meter stick

Measuring tape

Ruler

Yardstick

Correct answer:

Ruler

Explanation:

You would use a ruler to measure a jar because a jar is most likely smaller than 12 inches, which is the size of a ruler. All of the other tools will be much larger.

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All Common Core: 2nd Grade Math Resources

7 Diagnostic Tests 217 Practice Tests Question of the Day Flashcards Learn by Concept

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Common Core: 2nd Grade Math : Common Core Math: Grade 2

Study concepts, example questions & explanations for Common Core: 2nd Grade Math

All Common Core: 2nd Grade Math Resources

Example Questions

Example Question #41 : Mentally Add And Subtract 10 Or 100 To A Given Number : Ccss.Math.Content.2.Nbt.B.8

Example Question #301 : Numbers And Operations

Example Question #42 : Mentally Add And Subtract 10 Or 100 To A Given Number : Ccss.Math.Content.2.Nbt.B.8

Example Question #41 : Mentally Add And Subtract 10 Or 100 To A Given Number : Ccss.Math.Content.2.Nbt.B.8

Example Question #43 : Mentally Add And Subtract 10 Or 100 To A Given Number : Ccss.Math.Content.2.Nbt.B.8

Example Question #1337 : How To Add

Example Question #1122 : Number & Operations In Base Ten

Example Question #71 : How To Find The Missing Part Of A List

Example Question #71 : How To Find The Missing Part Of A List

Example Question #1 : Measurement & Data

All Common Core: 2nd Grade Math Resources

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