Page 132 - Start Up Mathematics_4

(b) 6,245 L = 6,000 L + 245 L

= 6 kL + 245 L
= 6 kL 245 L

(c) 3 L 625 mL = 3,000 mL + 625 mL
= 3,625 mL
(d) 1,045 mL = 1,000 L + 45 mL

= 1 L 45 mL

EXERCISE 9.1

Fill in the blanks.
(a) 6 m = __________ cm (b) 12 dm = __________ cm

(c) 725 cm = _____ m _____ cm (d) 6 kg = __________ g

(e) 8 g = __________ mg (f) 3 kg 125 g = __________ g
(g) 4 L = __________ mL (h) 11 kL = __________ L

(i) 8 kL 150 L = __________ L (j) 8,075 mL = ____ L ____ mL

(k) 9 cm = __________ mm (l) 62 mm = ____ cm ____ mm
(m) 5,146 mg = ____ g ____ mg (n) 12 km = __________ m

(o) 7,285 m = ____ km ____ m (p) 3 L 175 mL = __________ mL

(q) 95 cm = ____ dm ____ cm (r) 6,195 g = ____ kg ____ g
(s) 3 cm 5 mm = __________ mm (t) 4,210 L = ____ kL ____ L

Addition and Subtraction
To add or subtract length, weight or capacity, write the units given and below them their
values. Then add or subtract as you do for any other number.

Length

Example 4: Add 32 dm, 16 dm 20 mm Example 5: Subtract 36 m 64 cm from
and 75 mm. 79 m 21 cm.

Solution: dm mm Solution: m cm
11
3 2 0 0 8 1 11
7 9 2 1
1 6 2 0
+ 0 7 5 – 3 6 6 4

4 8 9 5 4 2 5 7
Answer: 48 dm 95 mm Answer: 42 m 57 cm

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