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NCERT: Math-Magic Solutions for Class-3, Chapter-3: How Much Can You Carry?

The chapter Give and Take deals with the addition and subtraction of 3-digit numbers, and helps the students to add and subtract 3-digit numbers using place value columns. This chapter have exercises on

Download the NCERT Solutions for Give and Take in PDF

Give and Take

Question 1 :

A jump from 2 to 12 is like taking ……………. steps.

Answer :

In the picture, the room of 12 is just above the room of 2. You need to take just one jump or 10 steps forward to go there. Therefore: A jump from 2 to 12 is like taking 10 steps.


Find My Food

Question 1 :

Fill in the blanks
a) 37 + 9 = __
b) 65 – 30 = __
c) _ = 87 – 30
d) __= 46 + 21
e) 66 – __ = 11
f) 36 = _ + 9
g) 45 + _ = 99
h) _ + 26 = 75
i) 40 + __ = 76
j) 98 = _ + 50
k) __ – 21 = 35
l) 57 – _ = 20

Answer :

The shortcut calculations are shown below.
a) 37 + 9 = 37 +10 – 1
= 47 − 1
= 46
b) 65 − 30 = 60 – 30 + 5
= 30 + 5
= 35
c) 87 – 30 = 80 – 30 + 7
= 50 + 7
= 57
d) 46 + 21 = 46 + 20 + 1
= 66 + 1
= 67
e) To find the number in the blank space subtract 11 from 66 as:
66 – 11 = 66 – 10 – 1
= 56 – 1
= 55
Hence, 66 – 55 = 11
f) To find the number in the blank space, subtract 9 from 36 as:
36 – 9 = 36 – 10 + 1
= 26 + 1
= 27
Hence, 36 = 27 + 9
g) To find the number in the blank space, subtract 45 from 99 as:
99 – 45 = 99 – 40 – 5
= 59 – 5
= 54
Hence, 45 + 54 = 99
h) To find the number in the blank space, subtract 26 from 75 as:
75 – 26 = 75 – 20 – 6
= 55 – 6
= 49
Hence, 49 + 26 = 75
i) To find the number in the blank space, subtract 40 from 76 as:
76 – 40 = 36
Hence, 40 + 36 = 76
j) To find the number in the blank space, subtract 50 from 98.
98 – 50 = 48
Hence, 98 = 48 + 50
k) To find the number in the blank space, add 35 and 21 as:
35 + 21 = 35 + 20 + 1
= 55 + 1
= 56
Hence, 56 – 21 = 35
l) To find the number in the blank space,subtract 20 from 57.
57 – 20 = 37
Hence, 57 – 20 = 34


Question 2 :

 Fill in the blanks:
a) 10 less than 34 is ……………..
b) 53 – 20 = …………….
c) 11 more than 31 is ……………..
d) 11 less than 66 is ……………..
e) 62 + 13 = …………….
f) 23 less than 89 is ……………..
g) 10 and 40 more is ……………..
h) 9 added to 28 gives ……………..
i) The sum of 9 and 44 is ……………..
j) Reducing 98 by 34 gives ……………..
k) 4 and 37 more is ……………..
l) Take 35 away from 83. We get ……………..

Answer :

a) To find 10 less than 34, from 34 take one jump downward.

So, 10 less than 34 is 24.

b) To find 53 – 20, from 53 take two jumps

`

So, 53 – 20 = 33

c) To find 11 more than 31, from 31 take one jump upward and then one step forward.

So, 11 more than 31 is 42.

d) To find 11 less than 66, from 66 take one jump downward and then one step backward.

So, 11 less than 66 is 55.

e) To find 62 + 13, from 62 take one jump upward and then 3 steps forward as:
62 + 13 = 62 + 10 + 3
= 72 + 3
= 75
So, 62 + 13 = 75
f) To find 23 less than 89, from 89 take 2 jumps downwards and then 3 steps backward as:
89 – 23 = 89 – 20 – 3
= 69 – 3
= 66
So, 23 less than 89 is 66

g) To find 10 and 40 more, from 10 take 4 jumps 4 upward.

So,10 and 40 more is 50.

h) To find 9 added to 28, from 28 take 1 jump upward and then 1 step backward.

So,9 added to 28 gives 37.

i) To find the sum of 9 and 44, from 44 take 1 jump upward and then 1 step backward as:
9 + 44 = 44 + 10 – 1
= 54 – 1
= 53
So, the sum of 9 and 44 is 53.
j) To reduce 98 by 34, from 98 take 3 jumps downward and then 4 steps backward.
98 − 34 = 98 −30 − 4
= 68 − 4
= 64
So, reducing 98 by 34 gives 64.
k) To find 4 and 37 more, from 4 take 4 jumps upward and then 3 steps backward.
4 + 37 = 4 + 40 − 3
= 44 − 3
= 41
So,4 and 37 more is 41.
l) To takeaway 35 from 83, from 83 take 3 jumps downward and then 5 steps backward.
83 – 35 = 83 – 30 – 5
= 53 – 5
= 48
So, take 35 away from 83 results in 48.


Adding Made Easy

Question 1 :

Fill in the blanks

Answer :


MANGO CHILLI GAME

Question 1 :

Work out the steps in your mind. Write the answers directly in the boxes.
a) 33 + 42 = ___
b) _____ = 33 + 27
c) 55 + 25 =____
d) 19 + 61 = ____
e) _____ = 34 + 63
f) 67 + 25 = _____
g) _____ = 48 + 42
h) _____ = 53 + 64
i) 72 + 56 = _____

Answer :

Do it mentally. Following are the steps for mental calculations.
a) 33 + 42 = 30 + 3 + 40 + 2
= 70 + 3 + 2
= 75
b) 33 + 27 = 30 +3 + 20 + 7
= 50 + 3 + 7
= 60
c) 55 + 25 = 50 + 5 + 20 + 5
= 70 + 5 + 5
= 80
d) 19 + 61 = 10 + 9 + 60 + 1
= 70 + 9 + 1
= 80
e) 34 + 63 = 30 + 4 + 60 + 3
= 90 + 4 + 3 = 97
f) 67 + 25 = 60 + 7 + 20 + 5
= 80 + 7 + 5
= 92
g) 48 + 42 = 48 + 40 + 2
= 50 + 40
= 90
h) 53 + 64 = 50 + 3 + 60 + 4
= 110 + 3 + 4
= 117
i) 72 + 56 = 70 + 2 + 50 + 6
= 120 + 2 + 6
= 128


Question 2 :

Fill in the blanks