Number practice
Times and card rules
CONCEPT
1 minute = 60 seconds
74 seconds = 60 + 14 seconds
= 1 minute 14 seconds.
A smaller time means a faster finish.
2 cards for each player
3 players × 2 cards = 6 cards.
One more player adds 2 cards.
1Compare finishing times for the same course.
Times: 53 seconds, 68 seconds, 61 seconds, 57 seconds.
Fastest to slowest:
2Convert the times.
a
68 s = min s
b
61 s = min s
c
85 s = min s
d
1 min 12 s = s
Which is longer: 59 seconds or 1 minute 3 seconds? Explain.
3Each player gets 4 cards. Complete the table.
| Players | 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|
| Total cards |
What happens to the total when one more player joins?
4Create and use your own card rule.
Choose 3, 5 or 10 cards for each player. My choice:
| Players | 2 | 3 | 4 | 5 |
|---|---|---|---|---|
| Total cards |
Write steps that work for any number of players.
7 players need cards. One more player adds cards.