Question

h) 943 X 504
Estimate the products by rounding numbers. In each case choose whether to round
to 10 or 100.
b) The approximate cost of 46 chocolates at 7 23 each.
b) The approximate weight of a cargo of 471 boxes, each box weighing 126 kg.
c) The approximate volume of water in 546 water tanks with 333 litres of water in each.
d) The approximate cost of 375 bags of rice if each bag costs 237.
In a library 250 books are placed in a rack. If there are 172 such racks, how many books
does the library have?
The cost of a train ticket from Kolkata to Chennai is 565. If 140 students are travelling
from Kolkata to Chennai, how much money do they have to pay?
A factory making balloons packs 200 balloons in a packet. If 132 such packets are made
in a day, how many balloons are made every day?
Maria's school fee is 950 per month. What is the fee for 10 years?
ntal maths
c) 400 x 20 =
Find the products without multiplying.
b) 28 x 1000 =
a) 36 x 100 =
metimes you can group numbers to multiply more easily.
ample: 132 x 25 x 4 = 132 * (25 x 4) = 132 x 100 = 13,200
c) 4x 25 x 38 =
Multiply by grouping.
b) 222 x 50 x 2 =
a) 245x5x2 =​

Answer 1

Answer:

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