7G adding and subtracting decimal numbers

Good afternoon!
Schedule:
  • Learning goals 
  • Last time
  • Adding and Subtracting decimals
  • Safari restaurant
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Slide 1: Slide
WiskundeMiddelbare schoolvwoLeerjaar 2

This lesson contains 10 slides, with interactive quizzes and text slides.

Items in this lesson

Good afternoon!
Schedule:
  • Learning goals 
  • Last time
  • Adding and Subtracting decimals
  • Safari restaurant

Slide 1 - Slide

Learning goals 
At the end of this lesson I can:
  • Add decimal numbers 
  • Subtract decimal numbers
  • Solve context problems with decimals 

Slide 2 - Slide

Last time

Slide 3 - Mind map

Calculate 4386 + 2309

Slide 4 - Open question

Calculate:
1.76 + 0.961

Slide 5 - Open question

Adding fractions
- Make sure both decimal numbers have the same amount of decimal places!
Subtracting fractions
- Make sure both decimal numbers have the same amount of decimal places!

Slide 6 - Slide

Slide 7 - Slide

Calculate :
2.095 - 1.451

Slide 8 - Open question

Safari restaurant
Work in Duo's from your table-group
(Different duo's than the measuring activity!!!)
- Read the questions carefully!!

- When you are done, let a different duo check your work!
Finished marking? 
- MyiMaths : Adding and subtracting decimals
- or Challenge: Formula 1 questions in LessonUp

Slide 9 - Slide

Formula 1 Abu Dhabi Grand Prix Finishing times
(Hours: Minutes: Seconds)
1. Find the finishing times of Charles and Sergio. 

2. Lance Stroll finished at 1:29:2.845. By how many seconds did Max win from Lance? 

Slide 10 - Slide