Page 149 - NUMINO Challenge_M1
P. 149
Answer
Key
Measure 1 cm Measure 2 cm
33 33
3 3
4
53 5
34
Measure 6 cm Measure 8 cm
5 4 3 33
4 5 3
3 33
3
The length that cannot be measured is 10 cm.
Heather s class begins at 9 and ends at 9:50, so it runs for 50 minutes. The
second period begins at 10, so the break in between the classes is 10 minutes.
Use a table to show Heather’s schedule.
Period 1 09:00~09:50
Break 09:50~10:00
10:00~10:50
Period 2 10:50~11:00
Break 11:00~11:50
11:50~12:00
Period 3 12:00~12:50
Break
Period 4
Heather began to clean at 12:50.
Since she cleaned for 30 minutes, Heather finished cleaning at 1:20.
The following shows the reflection of the clock at 1:20.
12 NUMINO Challenge M1
Key
Measure 1 cm Measure 2 cm
33 33
3 3
4
53 5
34
Measure 6 cm Measure 8 cm
5 4 3 33
4 5 3
3 33
3
The length that cannot be measured is 10 cm.
Heather s class begins at 9 and ends at 9:50, so it runs for 50 minutes. The
second period begins at 10, so the break in between the classes is 10 minutes.
Use a table to show Heather’s schedule.
Period 1 09:00~09:50
Break 09:50~10:00
10:00~10:50
Period 2 10:50~11:00
Break 11:00~11:50
11:50~12:00
Period 3 12:00~12:50
Break
Period 4
Heather began to clean at 12:50.
Since she cleaned for 30 minutes, Heather finished cleaning at 1:20.
The following shows the reflection of the clock at 1:20.
12 NUMINO Challenge M1
