Exercise 4.2 (Estimate the weight of an object)

Exercise 4.2

1. Mohana bought 2 kg 600 g grapes and 1 kg 450 g guavas. How much more did Mohana buy grapes than guavas, by weight ?

1) 150 g   ✔2) 1 kg 150 g 3) 1 kg 200 g 4) 4 kg

2. Put >, < or = in the boxes provided below.

50 g < 340 g

640 g < 800 g

34 kg > 22 kg

1000 g = 1 kg

3. Add:

4. Subtract:

Activity

5. The weights of three babies are respectively 3 kg 650 g, 5 kg 420 g and 4 kg 750 g. Find their total weight?

Weight of first baby     = 3 kg 650 g

Weight of second baby  = 5 kg 420 g

Weight of third baby     = 4 kg 750 g +

Total weight                   = 13 kg 820 g

Answer: Total weight = 13kg 820g

6. A shopkeeper had 275 kg 450 g of coffee powder. He sold 80 kg 475 g. How much coffee powder left?

Total weight of coffee powder = 275 kg 450 g

Weight of sold coffee powder = 80 kg 475 g (-)

Weight of coffee powder left = 194 kg 975 g

Answer: The weight of the vegetables = 194kg 975g