#### Transcript of Day 2: Common Core 4th Grade Math: Domain 2 Number and Operations in Base Ten Part I

ON THE SECOND DAY OF MATH REVIEW MY TEACHER TAUGHT TO ME...

Place Value and Whole Numbers

**HOMEWORK**

And what the operations mean.

**Apples, Oranges, and Melons**

**Place-Value**

Remember This? Let's Practice!

Write out the number based on the place value of each number in it.

E+X+P+A+N+D+E+D

FORM

For example:

957 becomes 900 + 50 +7

**T+R+Y This!!**

How else can you write a number?

Use the place value of numbers to help you name them!

NAMING NUMBERS

For example:

123,456 becomes one hundred twenty-three THOUSAND, four hundred fifty-six

Write the number in expanded form. Then write the number name.

Comparing - Who's Better?

Ready???

Who can compare these numbers best?

Set??

GO!!!

Rules: 1. Must write the whole problem.

2. Must get it checked and it must

be right before moving on.

3. You can only do one problem at a

time.

3. Be prepared to explain WHY.

4. You will have 60 seconds TOTAL.

Let's try this first one together!

ROUNDING NUMBERS

Write the number on your board.

Round 67,304 to the nearest thousand.

1. Circle the digit in the place to be rounded to.

2. Find the digit to the RIGHT of the circled digit.

ROUND UP!

Decide whether to round down or up.

ROUND DOWN!

I was born ready!

Ready to Try It?

I guess so...

Not really.

Now let's discuss.

**Homework!**

**p. 57 & 80**

Full transcript