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Base Ten Fractions and Decimals

Base Ten Fractions and Decimals

Assessment

Presentation

•

Mathematics

•

6th - 8th Grade

•

Hard

Created by

Joseph Anderson

FREE Resource

10 Slides • 10 Questions

1

Converting Base10 fractions to Decimals.

2

Review our number system

We use a number system call Base10. Which means out building blocks for numbers are powers of 10 (Multiplying by 10)

​1 - 1st building block
​10 - (1 x10) Next building block
​100 - (10 x10) Next building block
​1000 - (100 x10) Next building block

3

Place value

Each of our whole numbers has a place holder or value which helps us count our whole numbers.

​1
​10
​100
​1000

4

Place value

Each of our whole numbers has a place holder or value

​1
​10
​100
​1000

5

So what about number less then 1?

We can count numbers that are less than one. These are fractions of a number.

​1
​10
​100
​1000

6

When we take away the value what happens?

7

A decimal place is a marker.

Whole numbers to the left and part of a number to the left.

​1
​10
​100
​1000

8

Multiple Choice

What is the value of the 5 in 25,089?

1

hundreds

2

500

3

thousands

4

5,000

9

Multiple Choice

How would the fraction 25100\frac{25}{100} be written as a decimal?

1

0.25

2

2.5

3

25.0

4

0.025

10

Fill in the Blanks

media image

What number is in the tenths place in the

number 17, 002.74?

Type answer...

11

Fill in the Blanks

media image

What digit is in the hundredths place in the

number 4, 299.624?

Type answer...

12

Fill in the Blanks

media image

What digit is in the thousandths place in the

number 8, 207.484?

Type answer...

13

Converting Base10 Fractions - Decimals.

These base10 fractions will be 1 or less.

​1
​10
​100
​1000

14

Multiple Choice

Convert 810\frac{8}{10}  to a decimal

1

0.12

2

0.025

3

0.08

4

0.8

15

Converting Base10 Fractions - Decimals.

These base10 fractions will be 1 or less.

​1
​10
​100
​1000

16

Multiple Choice

Convert 26100\frac{26}{100}  to a decimal

1

0.12

2

0.026

3

0.26

4

2.6

17

Converting Base10 Fractions - Decimals.

These base10 fractions will be 1 or less.

​1
​10
​100
​1000

18

Multiple Choice

Convert 81000\frac{8}{1000}  to a decimal

1

8

2

0.008

3

0.08

4

0.8

19

Multiple Choice

What is 77100 as a decimal?What\ is\ \frac{77}{100}\ as\ a\ decimal?  

1

0.7

2

0.77

3

7.7

4

0.077

20

Multiple Choice

What is 0.507 as a fraction?

1

571000\frac{57}{1000}  

2

5071000\frac{507}{1000}  

3

507100\frac{507}{100}  

4

57100\frac{57}{100}  

pattern-tertiary
Converting Base10 fractions to Decimals.

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