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UNIT 7 : Even and Odd Numbers
(i) Continue the activities up to 20 bottle tops.
(ii) In the table below, circle the number for which we can arrange the bottle tops into
pairs with no left over.
(iii) Observe and complete the pattern for number up to 50.
Activity: Pairing bottle tops
Arrange the bottle tops in pairs.
Start with 1 bottle top.
1 bottle top is not a pair.
Continue pairing the bottle tops ,
2 bottle tops: 1 pair
3 bottle tops: 1 pair + 1 left over
4 bottle tops: 2 pairs
5 bottle tops: 2 pairs + 1 left over
12345678910
11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
Arvin is playing a game with bottle tops. He is reading the instructions