Exploring Place Value: Adding and Subtracting 1, 10, or 100

This video tutorial explains how to add and subtract 1, 10, or 100 from a given number, focusing on the changes in place value digits. It covers the concept of regrouping when crossing boundaries, such as moving from 99 to 100 or from 400 to 390. The tutorial provides examples of adding and subtracting 10 from various numbers, demonstrating the process and the importance of understanding place value. The video concludes with a summary of the key points discussed.

What is the result of adding 1 to 324?

• 323

• 325

• 335

• 424

Tags

CCSS.2.NBT.B.8

What is the result of 324 plus 10?

• 334

• 344

• 324

• 314

Tags

CCSS.2.NBT.B.8

If you subtract 100 from 324, what is the new number?

• 224

• 234

• 324

• 214

Tags

CCSS.2.NBT.B.8

What happens to the number 194 when you add 10?

• 184

• 204

• 214

• 200

Tags

CCSS.2.NBT.B.8

What is the outcome when 403 is decreased by 10?

• 393

• 413

• 403

• 383

Tags

CCSS.1.NBT.C.5

Adding 10 to 95 results in crossing which significant number?

• 120

• 110

• 90

• 100

Tags

CCSS.1.NBT.C.5

What does 95 become when 10 is added?

• 95

• 105

• 85

• 100

Tags

CCSS.2.NBT.B.8

What is 10 more than 493?

• 503

• 513

• 483

• 500

Tags

CCSS.2.NBT.B.8

What does 103 become when you subtract 10?

• 103

• 90

• 113

• 93

Tags

CCSS.2.NBT.B.8

Subtracting 10 from 407 results in which number?

• 407

• 397

• 400

• 417

Tags

CCSS.2.NBT.B.8