7G adding and subtracting decimal numbers

• Wiskunde
• Middelbare school
• vwo
• Leerjaar 2

Good afternoon!

Schedule:

• Learning goals 
• Last time
• Adding and Subtracting decimals
• Safari restaurant

Learning goals 

At the end of this lesson I can:

• Add decimal numbers 
• Subtract decimal numbers
• Solve context problems with decimals 

Last time

Calculate 4386 + 2309

Calculate:
1.76 + 0.961

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!

Calculate :
2.095 - 1.451

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

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?