Page 118 - Touchpad Mathematics V1.0 C1
P. 118
D:\Working\TouchPad_Maths\TouchPad_Maths_1\Open_Files\Chap_07\Chap_07
\ 17-Nov-2025 Surender Singh Rothan Proof-7 Reader’s Sign _______________________ Date __________
Example 3. Subtract 87 - 34. Example 4. Subtract 97 - 26.
Solution. T O T O Solution. T O T O
8 7 8 7 9 7 9 7
– 3 4 – 3 4 – 2 6 – 2 6
3 5 3 1 7 1
Thus, 87 - 34 = 53. Thus, 97 - 26 = 71.
Exercise 7G
1. Subtract using expanded form.
a. 46 tens + ones b. 76 tens + ones
- 32 tens + ones - 55 tens + ones
tens + ones tens + ones
46 - 32 = 76 - 55 =
c. d.
73 tens + ones 88 tens + ones
- 31 tens + ones - 44 tens + ones
tens + ones tens + ones
73 - 31 = 88 - 44 =
2. Subtract using the short method.
a. T O b. T O c. T O d. T O e. T O
6 4 5 8 3 7 6 6 8 7
– 3 2 – 4 5 – 1 6 – 3 4 – 3 3
f. T O g. T O h. T O i. T O j. T O
2 4 7 6 8 9 6 8 5 7
– 1 2 – 4 3 – 1 3 – 2 4 – 2 4
116 Mathematics 1
