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Measurement
Exercise 6 (Page 2, 3, 4 & 5)-Example 		Home
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1. Add 10 m 70 cm & 5 m 50 cm:

 
m
cm
 
5
50
+
10
70
Total
15
120
Regroup 15 m 120 cm. (Note: 1 m = 100 cm)

120 cm = 1 m 20 cm

15 m + 1 m = 16 m

Answer = 16 m 20 cm

2. Add 5 km 500 cm & 10 km 700 cm:

 
km
m
 
5
500
+
10
700
Total
15
1200
Regroup 15 km 1200 m. (Note: 1 km = 1000 m)

1200 m = 1 km 200 m

15 km + 1 km = 16 km

Answer = 16 km 200 m

3. Subtract: 20 m 35 cm - 10 m 40 cm:

(Note: 1 m = 100 cm)

Regroup meter and centimeter.
 
m
cm
 
 
100 + 35 = 135
 
20 19
35 135
-
10
40
 
m
cm
 
19
135
-
10
  40
Answer
9
95
Answer = 9 m 95 cm

4. Subtract: 2 km 350 m - 1 km 400 m:

(Note: 1 km = 1000 m)

Regroup meter and centimeter.
 
km
m
 
 
1000 + 350 = 1350
 
2 1
350 1350
-
1
400
 
km
m
 
1
1350
-
1
  400
Answer
0
950
Answer = 950 m

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