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

Good morning!

Schedule:

Learning goals
Decimal numbers expanded form
Place value
Work

1 / 16

Slide 1: Slide

WiskundeHBOStudiejaar 2

This lesson contains 16 slides, with interactive quizzes and text slides.

Items in this lesson

Good morning!

Schedule:

Learning goals
Decimal numbers expanded form
Place value
Work

Slide 1 - Slide

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

Slide 2 - Slide

What do you know about decimal numbers

Slide 3 - Mind map

Write in expanded form:
734560

7 + 3 + 4 + 5 + 6 + 0

700 000 + 30 000 + 4000 + 500 + 60

7000 + 3000 + 400 + 50 + 6

70 000 + 3000 + 4000 + 500 + 60

Slide 4 - Quiz

Decimal numbers place value

Expanded form:

124.45 =

Slide 5 - Slide

Decimal numbers place value

124.45 = 100 + 20 + 4 + 0.40 + 0.05

\frac{​ 4 ​ ​}{​ 1 0 ​}

\frac{​ 5 ​ ​}{​ 1 0 0 ​}

Slide 6 - Slide

Decimal numbers place value

124.45 = 100 + 20 + 4 + 0.40 + 0.05

\frac{​ 4 ​ ​}{​ 1 0 ​}

\frac{​ 5 ​ ​}{​ 1 0 0 ​}

Decimal numbers in expanded form:

124.45 = 100 + 20 + 4 + +

\frac{​ 4 ​ ​}{​ 1 0 ​}

\frac{​ 5 ​ ​}{​ 1 0 0 ​}

Slide 7 - Slide

Decimal numbers place value

124.45 = 100 + 20 + 4 + 0.40 + 0.05

Hundreds

Tens

Units/ones

Tenths

Hundredths

1 2 4 . 4 5

Slide 8 - Slide

Write 359.076 in expanded form

300 + 50 + 9 + 0 + 0.07 + 0.006

300 + 50 + 9 + \frac{​ 7 ​ ​}{​ 1 0 ​} + \frac{​ 6 ​ ​}{​ 1 0 0 ​}

3 + 5 + 9 + 0 + 7 + 6

300 + 50 + 9 + \frac{​ 0 ​ ​}{​ 1 0 ​} + \frac{​ 7 ​ ​}{​ 1 0 0 ​} + \frac{​ 6 ​ ​}{​ 1 0 0 0 ​}

Slide 9 - Quiz

State the value of 5 in
0.0065

\frac{​ 5 ​ ​}{​ 1 0 ​}

\frac{​ 5 ​ ​}{​ 1 0 0 ​}

\frac{​ 5 ​ ​}{​ 1 0 0 0 ​}

\frac{​ 5 ​ ​}{​ 1 0 0 0 0 ​}

Slide 10 - Quiz

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

Slide 11 - Open question

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

Slide 12 - Slide

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

Slide 13 - Slide

Decimal numbers place value

\frac{​ 2 7 ​ ​}{​ 1 0 0 0 ​} =

0.538 =

What is the value of 8 in 0.538?

Slide 14 - Slide

vocabulary

What is the difference between:

one thousand and seven hundreds

one thousand and seven hundredths

Slide 15 - Slide

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

Slide 16 - Slide