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## PowerPoint Slideshow about ' Splash Screen' - tanek-mejia

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Are You Ready for Chapter 14?

- Lesson 1: Add Hundreds
- Lesson 2: Regroup Ones
- Lesson 3: Regroup Tens
- Lesson 4: Problem-Solving Strategy: Make a Table
- Lesson 5: Estimate Sums
- Lesson 6: Subtract Hundreds
- Lesson 7: Regroup Tens
- Lesson 8: Regroup Hundreds
- Lesson 9: Estimate Differences
- Lesson 10: Problem-Solving Investigation: Choose a Strategy
- Chapter 14 Review

Select a hyperlink to go to the corresponding slides.

Chapter Menu- Regroup. 10 ones is the same as 1 ten. Where do we write the 1?

6

1

1

3

1

9

above the numbers in the tens column

Lesson 2—TeachI will make a table to find the time that Sonja will leave.

Lesson 4—TeachLook back.Is my answer reasonable?

Flight 1 leaves at 2:30.

Flight 2 leaves at 4:30.

Flight 3 leaves at 6:30.

yes

Lesson 4—TeachMake a table to solve.

- Conner read 1 book every week for 6 weeks. Each book had 100 pages. How many pages did he read in all?

600 pages

Lesson 4—Check- When subtracting hundreds, you can ignore the zeros. All that is left is a one-digit number fact which has two zeros after it.

6

0

0

3

0

0

3

0

0

Lesson 6—TeachRegroup the tens. Change one of the tens into ten ones. How many tens does that leave you?

7

2

8

6

1

7

9

8 – 1 = 7

Lesson 7—Teach- Regroup the hundreds. Change one of the hundreds into 10 tens. How many hundreds does that leave you?

4

5

3

4

1

5

2

2

5 – 1 = 4

Lesson 8—Teach- 434 – 196 is about 200. You have rounded numbers to the hundreds to estimate the solution to the problem.

- 434 – 196 is about 230. You have rounded numbers to the tens to estimate the solution to the problem.

One way is to work backward.

I have 300 cubes left.

I gave 100 cubes to Rikki.

I gave 200 cubes to Polly.

300 + 100 + 200 = 600

300

+ 100

+ 200

600

I started with 600 cubes.

Lesson 10—TeachIs my answerreasonable?

- 600 – 200 = 400I gave Polly 200 cubes.
- 400 – 100 = 300I gave Rikki 100 cubes.

The answer is correct.

Lesson 10—TeachChoose a strategy. Solve.

- I am a number less than 150. There is a 7 in my ones place. I am greater than 140. What number am I?

147

Lesson 10—Checkregroup

To ____________ is to take apart a number and write it a new way.

To ____________ is to change the value of a number into one that is easier to work with.

round

regroup

round

Chapter Review 1
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