Question

1). 13 m + 400 cm =...m
2). 5.500 dm + 430 cm =...dm

Answer 1

1. 400 cm = 4 m
    13 m + 4 m = 17 m

2. 430 cm = 43 dm
    5.500 dm + 43 dm = 5.543 dm

Answer 2

1. 13m+400cm = ....m
13m+(400:100)m=....m
13m+4m=17m
2.5500dm+430cm=...dm
5500dm+(430:10)dm=...dm
5500dm+43dm=5543dm