7A/7E/7F Converting between decimals and fractions

• Wiskunde
• HBO
• Studiejaar 2

Good morning!

Schedule: 

• Learning goals 
• Decimal numbers expanded form 
• Place value
• Work

Learning goals 

At the end of this lesson I can:

• Give the expanded form of a decimal number 
• Use the correct place value vocabulary 
• Write any fraction as a decimal number
• Write any decimal number as a fraction

What do you know about decimal numbers

Write in expanded form:
734560

1. 7 + 3 + 4 + 5 + 6 + 0
2. 700 000 + 30 000 + 4000 + 500 + 60
3. 7000 + 3000 + 400 + 50 + 6
4. 70 000 + 3000 + 4000 + 500 + 60

Decimal numbers place value

Expanded form:

124.45 =                                                        

Decimal numbers place value

124.45 = 100 + 20 + 4 + 0.40 + 0.05

​10​​4​​

​100​​5​​

Decimal numbers place value

124.45 = 100 + 20 + 4 + 0.40 + 0.05

​10​​4​​

​100​​5​​

Decimal numbers in expanded form: 

124.45 = 100 + 20 + 4 +        + 

​10​​4​​

​100​​5​​

Decimal numbers place value

124.45 = 100 + 20 + 4 + 0.40 + 0.05

Hundreds

Tens

Units/ones

Tenths

Hundredths

1             2          4     .    4           5

Write 359.076 in expanded form

1. 300 + 50 + 9 + 0 + 0.07 + 0.006
2. 300+50+9+​10​​7​​+​100​​6​​
3. 3 + 5 + 9 + 0 + 7 + 6
4. 300+50+9+​10​​0​​+​100​​7​​+​1000​​6​​

State the value of 5 in
0.0065

1. ​10​​5​​
2. ​100​​5​​
3. ​1000​​5​​
4. ​10000​​5​​

Write 7/20 as a decimal
Without using your calculator!

New book 

1. Take a third edition book from Ro.001

2. Go to the library

3. Scan your second edition book to bring back and scan you third edition book to keep

4. Bring the second edition book back to Ro.001

Work

Did you get the question right? 

p. 134   7A: 3abcd, 4bfj, 5cfi, 9bfj

p. 141    7E: 1bfjn, 2bfcg, 3aebf     

 p. 141     7F: 1cgko, 3abef

Done? 

Decimal riddles (Challenge) on ManageBac

Decimal numbers place value

​1000​​27​​=

0.538=

What is the value of 8 in 0.538?

vocabulary

What is the difference between: 

one thousand and seven hundreds

one thousand and seven hundredths

vocabulary

What is the difference between: 

https://mrnussbaum.com/decimals-of-the-caribbean-online-game

one thousand and seven hundreds

one thousand and seven hundredths