Which is Further - Changed Both Units (Level 3)

This math topic focuses on comparing distances by using the concepts of speed, distance, and time, with varied units. Each problem provides two scenarios where different entities (like planes, bugs, horses, and bacteria) move at given speeds for specified durations. The units of speed and time are intentionally varied (e.g., meters per second vs. kilometers per hour, or seconds vs. minutes) to challenge the learner to convert these units for accurate comparison. The primary skill practiced is converting and comparing distances calculated from given rates and times in different units.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

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Speed - Which is Further - Changed Both Units Worksheet

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Speed - Which is Further - Changed Both Units
1
Bug A crawls at 1dm/s for 40s. Bug B crawls at 360cm/min for 0.83min. Which goes further?
a
Bug A
b
Bug B
2
Bug A crawls at 0.67hm/hr for 60hr. Bug B crawls at 0.001km/min for 4,200min. Which goes further?
a
Bug A
b
Bug B
3
Bacteria A moves at 0.71mm/hr for 70hr. Bacteria B moves at 0.00002cm/s for 252,000s. Which goes further?
a
Bacteria A
b
Bacteria B
4
Train A travels at 0.83hm/s for 60s. Train B travels at 1.5km/min for 1.33min. Which goes further?
a
Train A
b
Train B
5
Bug A crawls at 0.43m/min for 70min. Bug B crawls at 0.15hm/hr for 1.33hr. Which goes further?
a
Bug A
b
Bug B
6
Bug A crawls at 0.25dam/min for 80min. Bug B crawls at 0.34km/hr for 1.17hr. Which goes further?
a
Bug A
b
Bug B
7
Bacteria A moves at 0.57dam/d for 70d. Bacteria B moves at 1.39dm/hr for 1,440hr. Which goes further?
a
Bacteria A
b
Bacteria B
8
Bug A crawls at 0.83hm/hr for 60hr. Bug B crawls at 0.001dam/s for 216,000s. Which goes further?
a
Bug A
b
Bug B