Page 54 - ICSE Math 1
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Subtrac on can be done using fi ngers. For example, let’s subtract 3 from 8.
• To subtract, count the greater number on your fi ngers. 3 4 7 8
So, count 8 fi ngers and fold the remaining fi ngers. 2 5 6
1
• Close as many fi ngers as the smaller number.
So, close 3 fi ngers.
2 3 4
• The remaining fi ngers is the answer. 5
So, 8 – 3 = 5. 1
3. Subtract the given numbers.
(a) 6 – 6 = (b) 8 – 5 = (c) 4 – 1 =
(d) 9 – 7 = (e) 5 – 3 = (f) 3 – 2 =
4. Match with the correct answer.
(a) 4 – 2 (i) 5
(b) 7 – 6 (ii) 4
(c) 8 – 3 (iii) 2
(d) 6 – 3 (iv) 1
(e) 9 – 5 (v) 3
5. Put a ck ( ) if answer is correct or a cross () if it is not.
(a) 3 minus 1 = 2 (b) 5 minus 2 = 4
(c) 8 minus 4 = 5 (d) 6 minus 5 = 1
(e) 7 minus 2 = 5 (f) 9 minus 4 = 3
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