Standard Mathematics Primary 2 Length and Mass

Siti buys a pineapple with a mass of 1 kg 650 g and a watermelon with a mass of 2 kg 80 g. What is the total mass of both fruits?

A 3 kg 130 g
B 3 kg 730 g
C 4 kg 450 g
D 3 kg 80 g
Show Worked Solution

Worked Solution

Step 1: Convert to grams. 1 kg 650 g = 1650 g. 2 kg 80 g = 2080 g. Step 2: Add: 1650 + 2080. 1650 + 2080: 1600 + 2000 = 3600, 50 + 80 = 130, 3600 + 130 = 3730 g. Step 3: Convert back: 3730 g = 3 kg 730 g. Answer: 3 kg 730 g.

Correct answer: 3 kg 730 g

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