Page 123 - Touchpad Mathematics V1.0 C1
P. 123
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 __________
Mental Maths
21 st
Fill in the blanks. Century #Computational Thinking
Skills
1. 5 + 10 = 15 2. 95 – 10 = 85
15 + 10 = 25 85 – 10 = 75
25 + 10 = ____ ____ – 10 = 65
35 + 10 = ____ ____ – 10 = 55
____ + 10 = 55 55 – ____ = 45
____ + 10 = 65 45 – 10 = 35
65 + ____ = 75 35 – 10 = ____
75 + ____ = ____ 25 – 10 = ____
____ + 10 = 95 15 – 10 = ____
HOTS
21 st
Century #Critical Thinking
Skills
1. Ankita had 38 picture cards. She gave 5 picture cards to
Anjali, 4 to Manju and 8 to Sujata. How many picture cards
are left with Ankita?
(Hint: Use number strip)
Answer: _______________________________
2. Find the value of the orange .
+ = 8
+ = 10
=
121
Addition and Subtraction up to 100

