Page 25 - NUMINO_WB_5A
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098-P3-1
Use Common Multiples
Bus A leaves the station every 3 minutes and bus B leaves the station every 4
minutes.
Both buses leave at 9:00 a.m. How many times do the buses leave at the same time
between 9:00 a.m. and 9:30 a.m.?
Step 1. Color the times at which bus A leaves the station.
9:00 9:10 9:20 9:30
Step 2. Color the times at which bus B leaves the station.
9:00 9:10 9:20 9:30
Step 3. Write the times at which both buses leave at the same time by looking at
the colored parts.
Step 4. How many times do both buses leave at the same time between 9:00
a.m. and 9:30 a.m.?
Use Common Multiples
Bus A leaves the station every 3 minutes and bus B leaves the station every 4
minutes.
Both buses leave at 9:00 a.m. How many times do the buses leave at the same time
between 9:00 a.m. and 9:30 a.m.?
Step 1. Color the times at which bus A leaves the station.
9:00 9:10 9:20 9:30
Step 2. Color the times at which bus B leaves the station.
9:00 9:10 9:20 9:30
Step 3. Write the times at which both buses leave at the same time by looking at
the colored parts.
Step 4. How many times do both buses leave at the same time between 9:00
a.m. and 9:30 a.m.?