# 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

Last time

#### Slide 3 -Mind map

Calculate 4386 + 2309

Calculate:
1.76 + 0.961

#### Slide 5 -Open question

- 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!

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?