MM
CM
M
KM
Word Problems
100

How many mm in a cm

10mm

100

What would you measure in cm?

answers may vary

100

How many cm in a metre

100cm

100

What is something that you would measure in km? 

answers may vary 

100

A clothing tag says your new jeans have a length of 1.2 meters. How many centimeters long are they?

120cm

200

Name 3 things you would measure in mm

answers may vary 

200

17 cm 3 mm  convert to mm

17.3 x 10 = 173

200

How many m in a km?

1000

200

18.1 km into m

18.1 x 1000= 18100 m

200

You plan a road trip that is 245 kilometers long. Your GPS mistakenly gives you the distance in meters. What number did it show?

245,000 m

300

2.3cm = _____mm 

23 mm

2.3 x 10

300

20.09 m is how many cm long?

20.09 x 100 = 2009cm

300

Name 3 objects you could use that would be about 1m (a meter stick doesn't count).

Guitar, baseball bat, desk, umbrella

300

1.837 m into km

1.837 / 1000 = 0.001837 km 

300

Bob is walking to the store at a speed of 2 meters per second. His little brother Timmy, riding a scooter, zooms past him at 5 meters per second—but stops every 30 seconds to check his phone for memes. If the store is 300 meters away, who gets there first?

Bob. (Timmy moves fast but wastes time. Bob takes 150 seconds to get there, while Timmy takes longer because of his meme breaks)

400

how many millimetres are in 0.1 m

0.1 x 10 = 1 cm

1 x 10= 10 mm

400

"A classroom door is about 2 meters tall. How many centimeters is that?"

What is 200cm

400

The flag pole outside is about 473 cm tall. How many m tall is it?

473 / 100 = 4.73 m

400

"A road trip covers 245,000 meters. How many kilometers is that?"

What is 245 km?

400

A turtle and a rabbit are in a race. The rabbit runs at 8 meters per second but takes a nap for 5 minutes. The turtle moves at 0.5 meters per second but never stops. After 10 minutes, who is ahead?

Rabbit only runs 240 meters before the nap, while the turtle goes 300 meters

500

"A pencil is 15 cm long. How many millimeters is that?"

What is 150mm

500

Explain how to find out how many cm are in a km? 

you would need to divide the km by 1000 and then the answer by 100

500

convert 8mm into m.

8 / 10 = 0.8 cm

0.8 / 100= 0.008 m 

500

Explain what 7.7 km means

7 full km and 700 metres 

500

Adriano lives 7000mm away from Pizza Nova, 723 cm away from McDonalds and .007km away from Harveys. 

Which is closest to him? 

7000 / 1000 = 7 m

723 / 100 = 7.23 m 

.007 x 1000 = 7 m 

Pizza Nova and Harveys are the closest.