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\ 04-Oct-2025 Bharat arora Proof-9 Reader’s Sign _______________________ Date __________
2. Subtract the following by expanding the numbers.
(a) 12 from 34 (b) 21 from 57
Tens Ones Tens Ones
= + = +
– = + – = +
= + = +
(c) 10 from 60 (d) 23 from 75
Tens Ones Tens Ones
= + = +
– = + – = +
= + = +
(e) 42 from 85 (f) 44 from 99
Tens Ones Tens Ones
= + = +
– = + – = +
= + = +
(g) 32 from 76 (h) 51 from 79
Tens Ones Tens Ones
= + = +
– = + – = +
= + = +
Life Skills
Discussion-Based Learning
Social Emotional Learning
The class teacher added some parents to a WhatsApp group. There
were 59 parents in the group. 17 of them left the group.
1. How many parents are now in the group?
2. Has your class teacher made such a group?
3. Why is such a group formed?
Mathematics-1 113
