Addition of measures

Addition of measures

Addition without Regrouping

EXAMPLE

Add 21m 45cm and 68m 23cm.

step.1 Start from cm :(45+23)cm = 68cm

write 68 under the Centimetre column.

Step.2 Then add m : 21m + 68m = 89m

 Write 89 under the metre column.

21m 45cm + 68m 23cm = 89m 68cm

Addition with Regrouping

EXAMPLE

Add 34m 91cm + 25m 42cm

Step 1: Start from cm 91cm + 42cm = 133cm

In 133cm, write 33 under cm column and then add this 1cm to the metre column.

Step 2: Add 1m + 34m + 25m = 60m

34m 91cm + 25m 42cm = 60m 33cm