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Common Core: 2nd Grade Math : Mentally Add and Subtract 10 or 100 to a Given Number : CCSS.Math.Content.2.NBT.B.8

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Example Questions

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Example Question #1 : Mentally Add And Subtract 10 Or 100 To A Given Number : Ccss.Math.Content.2.Nbt.B.8

$\frac{\begin{array}[b]{r}432\\ +\ 100\end{array}}{?}$

Possible Answers:

332

300

500

442

532

Correct answer:

532

Explanation:

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

2+0=2

3+0=3

4+1=5

$\frac{\begin{array}[b]{r}432\\ +\ 100\end{array}}{\ \ \ \space 532}$

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Example Question #1 : Mentally Add And Subtract 10 Or 100 To A Given Number : Ccss.Math.Content.2.Nbt.B.8

$\frac{\begin{array}[b]{r}349\\ +\ 100\end{array}}{?}$

Possible Answers:

249

449

400

200

359

Correct answer:

449

Explanation:

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

9+0=9

4+0=4

3+1=4

$\frac{\begin{array}[b]{r}349\\ +\ 100\end{array}}{\ \ \ \space449}$

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Example Question #1 : Mentally Add And Subtract 10 Or 100 To A Given Number : Ccss.Math.Content.2.Nbt.B.8

$\frac{\begin{array}[b]{r}222\\ +\ 100\end{array}}{?}$

Possible Answers:

322

300

232

100

200

Correct answer:

322

Explanation:

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

2+0=2

2+1=3

$\frac{\begin{array}[b]{r}222\\ +\ 100\end{array}}{\ \ \ \space322}$

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Example Question #1 : Mentally Add And Subtract 10 Or 100 To A Given Number : Ccss.Math.Content.2.Nbt.B.8

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

Possible Answers:

500

597

587

687

600

Correct answer:

687

Explanation:

When adding 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=6

$\frac{\begin{array}[b]{r}587\\ +\ 100\end{array}}{\ \ \ \space687}$

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

$\frac{\begin{array}[b]{r}642\\ +\ 100\end{array}}{?}$

Possible Answers:

500

742

842

652

442

Correct answer:

742

Explanation:

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

2+0=2

4+0=4

6+1=

$\frac{\begin{array}[b]{r}642\\ +\ 100\end{array}}{\ \ \ \space742}$

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

$\frac{\begin{array}[b]{r}789\\ +\ 100\end{array}}{?}$

Possible Answers:

689

889

799

800

989

Correct answer:

889

Explanation:

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

9+0=9

8+0=8

7+1=8

$\frac{\begin{array}[b]{r}789\\ +\ 100\end{array}}{\ \ \ \space889}$

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Example Question #7 : Mentally Add And Subtract 10 Or 100 To A Given Number : Ccss.Math.Content.2.Nbt.B.8

$\frac{\begin{array}[b]{r}867\\ +\ 100\end{array}}{?}$

Possible Answers:

967

900

767

877

800

Correct answer:

967

Explanation:

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

7+0=7

6+0=6

8+1=9

$\frac{\begin{array}[b]{r}867\\ +\ 100\end{array}}{\ \ \ \space967}$

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

$\frac{\begin{array}[b]{r}100\\ +\ 100\end{array}}{?}$

Possible Answers:

200

100

300

110

Correct answer:

200

Explanation:

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

0+0=0

1+1=2

$\frac{\begin{array}[b]{r}100\\ +\ 100\end{array}}{\ \ \ \space200}$

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Example Question #1 : Mentally Add And Subtract 10 Or 100 To A Given Number : Ccss.Math.Content.2.Nbt.B.8

$\frac{\begin{array}[b]{r}175\\ +\ 100\end{array}}{?}$

Possible Answers:

175

185

275

375

Correct answer:

275

Explanation:

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

5+0=5

7+0=7

1+1=2

$\frac{\begin{array}[b]{r}175\\ +\ 100\end{array}}{\ \ \ \space275}$

Report an Error

Example Question #1 : Mentally Add And Subtract 10 Or 100 To A Given Number : Ccss.Math.Content.2.Nbt.B.8

$\frac{\begin{array}[b]{r}386\\ +\ 100\end{array}}{?}$

Possible Answers:

586

286

396

400

486

Correct answer:

486

Explanation:

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

6+0=6

8+0=8

3+1=4

$\frac{\begin{array}[b]{r}386\\ +\ 100\end{array}}{\ \ \ \space486}$

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All Common Core: 2nd Grade Math Resources

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Common Core: 2nd Grade Math : Mentally Add and Subtract 10 or 100 to a Given Number : CCSS.Math.Content.2.NBT.B.8

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

All Common Core: 2nd Grade Math Resources

Example Questions

Example Question #1 : Mentally Add And Subtract 10 Or 100 To A Given Number : Ccss.Math.Content.2.Nbt.B.8

Example Question #1 : Mentally Add And Subtract 10 Or 100 To A Given Number : Ccss.Math.Content.2.Nbt.B.8

Example Question #1 : Mentally Add And Subtract 10 Or 100 To A Given Number : Ccss.Math.Content.2.Nbt.B.8

Example Question #1 : Mentally Add And Subtract 10 Or 100 To A Given Number : Ccss.Math.Content.2.Nbt.B.8

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

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

Example Question #7 : Mentally Add And Subtract 10 Or 100 To A Given Number : Ccss.Math.Content.2.Nbt.B.8

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

Example Question #1 : Mentally Add And Subtract 10 Or 100 To A Given Number : Ccss.Math.Content.2.Nbt.B.8

Example Question #1 : Mentally Add And Subtract 10 Or 100 To A Given Number : Ccss.Math.Content.2.Nbt.B.8

All Common Core: 2nd Grade Math Resources

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