When adding or subtracting km and m, it is very important to be careful where you place each number.


Clara was travelling from her school to her granny’s house. She travelled 5km 56m by bike and then a further 13km 229m by car. What was the total distance Clara travelled?


+


18 km 285 m 1


km m 13 229 1 5


56


The Carlow football team travelled a distance of 40km 815m from Dr Cullen Park, Carlow to Cusack Park, Westmeath to play a match.


The Cavan football team travelled a distance of 28km 134m from Breffni Park, Cavan to St Tiernach’s Park, Monaghan to play their game. What was the difference in the distance travelled by the two teams?


31


km m 40 815


7 1


+ 28 134 12 km 681 m


1. Complete the following.


a) km m 14 289


+ 21 812


b) km m 45 609


+ 9 709


c) km m 93 987


– 68 259


2. Complete the following in your copy. a) 3km 567m + 8km 234m c) 21


– 4km + 33


– 4km


Multiplication and Division × 1


km m 15 280 3


45 840 2


5 5km 83


1km 169cm 44


5m


d) km m 83 143


– 50 989


e) km m 21 098


+ 949


f) km m 9 258


– 6 389


b) 4km 234m + 1km 187m d) 63


– 4km + 980m


3. Mr Robinson ran 2 marathons during the year. If each marathon was a distance of 42km 900m, what was the total distance Mr Robinson ran that year?


Length


99


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