Fill 10 coconuts on 10 bags now you have 10 packets. So just put put one packet into another packet so just 9 packets.
Draw a square then draw a square on each of its sides. Which 5 different numbers from 0 to 9 can be put in the squares so that the 4 outside numbers add up to the middle number?
9 packet of rice of the same weight weigh 2.7 kg.
1 bowl of rice weighs 700 g.
How much heavier is 1 bowl of rice than 1 packet of rice?
Using all the numbers from 1 to 10, put them into pairs, so that one pair adds to 6, another pair to 7, a third pair to 9, a fourth pair to 16 and the final pair add to 17.