STANDARD & EXPANDED FORM

Presentation

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Mathematics

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5th Grade

•

Practice Problem

•

Easy

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CCSS

5.NBT.A.3A, 4.NBT.A.2

Standards-aligned

Chaquain Boone

Used 115+ times

FREE Resource

7 Slides • 13 Questions

STANDARD & EXPANDED FORM

Number Forms

There are three different ways to identify a number. Word Form, Standard Form, & Expanded Form.

Examples:

Thirty two and three tenths<--Word Form

33.3<-- Standard Form

3 x 10 + 3 x 1 + 3 x 1/10 <-- Expanded Form

Examples of Expanded Form

22.34 = 2 x 10 + 2 x 1 + 3 x 1/10 + 4 x 100

7.8 = 7 x1 + 8 x 1/10

319 = 3 x 100 + 1 x 10 + 9 x 1

42.135 = 4 x 10 + 2 x 1 + 1 x 1/10 + 3 x 1/100 + 5 x 1/1000

Examples of Standard Form

3 x 10 + 4 x 1 + 5 x 1/10 = 34.5

7 x 1 + 3 x 1/10 = 7.3

6 x 100 + 2 x 1 + 8 x 1/10 = 602.8

Open Ended

Write this number in Expanded Form.

2,542

Type response here

Open Ended

Write this number in Expanded Form.

78.9

Type response here

Open Ended

Write this number in Expanded Form.

7.241

Type response here

Open Ended

Write this number in Expanded Form.

63.56

Type response here

Open Ended

What is this number in Standard Form?

3 x 1 + 2 x 1/10

Type response here

Open Ended

*BUBBLE GUM ALERT*

What is this number in Standard Form?

3 x 100 + 5 x 1 + 2 x 1/100

Type response here

CHECK YOUR WORK(ANSWERS BELOW)

2 x 1,000 + 5 x 100 + 4 x 10 + 2 x1
7 x 10 + 8 x 1 + 9 x 1/10
7 x 1 + 2 x 1/10 + 4 x 1/100 + 1 x 1/1,000
6 x 10 + 3 x 1 + 5 x 1/10 + 6 x 1/100
3.2
305.02

LET'S TEST OUR KNOWLEDGE

PRACTICE TIME

Multiple Choice

What is this number in expanded form?

73.15

7 + 3 + 1 +5

7 x 10 + 3 x 1 + 1 x 1/10 + 5 x 1/100

7 x 100 + 3 x 10 + 1/10 + 5/100

Multiple Choice

What is the expanded form of this number?

298.7

2 x 10 + 9 x 10 + 8 x 1 + 7 x 1/10

200 + 98 + 7 x 1/10

2 x 100 + 9 x 10 + 8 x 1 + 7 x 1/10

Multiple Choice

*BUBBLE GUM ALERT*

What is the expanded form of this number?

2,045.007

2,000 + 40 + 50 + 7000

2 x 1000 + 4 x 100 + 5 x1 + 7 x 1/1000

2 x 1000 + 4 x 10 + 5 x 1 + 7 x 1/1000

Multiple Choice

What is the standard form of this number?

2 x 100 + 5 x 1 + 9 x 1/10

25.9

205.9

25.09

Multiple Choice

What is the standard form of this number?

4 x 1 + 3 x 1/10 + 2 x 1/100 + 8 x 1/1000

43.82

4.382

4.328

Multiple Choice

*BUBBLE GUM ALERT*

What is the standard form of this number?

7 x 1,000 + 3 x 1 + 4 x 1/100

7003.04

703.4

7003.4

Poll

How do you feel about writing decimals in Standard & Expanded Form?

I GOT IT!

I get it, but I need more practice.

I don't understand at all.

THE END!!

SEE YOU IN CLASS TOMORROW :)

STANDARD & EXPANDED FORM

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