Study & wellbeing · Grades 3–7
Plan several practice sessions
Add the planned sessions, then convert full hours if requested.
The key idea
Add the planned sessions, then convert full hours if requested.
total = n × session minutes + (n − 1) × break minutes
Worked examples
You do 3 sessions of 50 minutes with one 5-minute break between consecutive sessions. Find the total time, including breaks, in minutes.
3 × 50 + (3 − 1) × 5 = 160
160 min
You do 6 sessions of 45 minutes with one 5-minute break between consecutive sessions. Find the total time, including breaks, in minutes.
6 × 45 + (6 − 1) × 5 = 295
295 min
Try it yourself
You do 3 sessions of 15 minutes with one 5-minute break between consecutive sessions. Find the total time, including breaks, in minutes.
You do 6 sessions of 20 minutes with one 5-minute break between consecutive sessions. Find the total time, including breaks, in minutes.
Check your understanding
Answers and marking notes
- 55 min
3 × 15 + (3 − 1) × 5 = 55
- 145 min
6 × 20 + (6 − 1) × 5 = 145
Learning preview · teacher review required. Grade bands are approximate, not official curriculum alignment.