| Class XI |
Mathematics |
Mathematics |
12 |
the right hand limit of f (x) at 0 is lim+f (x) = 2 . x→0 Fig 12.3 In this case the right and left hand limits are different, and hence we say that... |
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| Class X |
Science |
Science |
11 |
= √(H/Rt) = √[100 J/(4 Ω × 1 s)] = 5 A Thusthepotentialdifferenceacrosstheresistor, V [fromEq.(11.5)]is V = IR = 5 A × 4 Ω = 20 V. Electricity 189 ... |
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| Class VI |
Mathematics |
Ganita Prakash |
1 |
1 PATTERNS IN MATHEMATICS 1.1 What is Mathematics? Mathematics is, in large part, the search for patterns, and for the explanations as to why those... |
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| Class VI |
Mathematics |
Ganita Prakash |
1 |
1, 2, 3, 4, ... The branch of Mathematics that studies patterns in whole numbers is called number theory. Number sequences are the most basic and a... |
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| Class VI |
Mathematics |
Ganita Prakash |
1 |
3 6 10 15 Squares 1 4 9 16 25 Cubes 1 8 27 64 125 Reprint 2026-27 Patterns in Mathematics Figure it Out 1. Copythepictorialrepresentationsofthen... |
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| Class VI |
Mathematics |
Ganita Prakash |
1 |
pattern! Why does this happen? Do you think it will happen forever? The answer is that the pattern does happen forever. But why? As mentioned earl... |
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| Class VI |
Mathematics |
Ganita Prakash |
1 |
Thisseemstobegivingyetanotherwayofgettingthesquarenumbers— by adding the counting numbers up and then down! Reprint 2026-27 Ganita Prakash | Grade ... |
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| Class VI |
Mathematics |
Ganita Prakash |
1 |
+ 7, 1 + 7 + 19, 1 + 7 + 19 + 37, … ? Which sequence do you get? Can you explain it using a picture of a cube? 9. Find your own patterns or relat... |
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| Class VI |
Mathematics |
Ganita Prakash |
1 |
as the search for patterns and for the explanations as to why those patterns exist. Among the most basic patterns that occur in mathematics are ... |
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| Class VI |
Mathematics |
Ganita Prakash |
1 |
2 x 2 x2 ,16 = 2 x 2 x2 x 2 x 2… Powers of 3 - 1, 3, 9 = 3 x 3 = 27 =3 x 3 x3,… Virahanka numbers- 1,2, 3, 5 = 2 + 3, 8 = 3 + 5, 13 = 5 + 8,…. Rest... |
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| Class VI |
Mathematics |
Ganita Prakash |
1 |
+ 3 + 2 + 1, …, gives square numbers? Ans. One of the ways is1, 1 + 2 + 1, 1 + 2 + 3 + 2 + 1, …, Q.2. By imagining a large version of your picture,... |
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| Class VI |
Mathematics |
Ganita Prakash |
1 |
numbers do you get? Why does this happen? Ans. • We get, 1, 3, 7, 15, 31, ………… • After adding 1 to each number, we get:2, 4, 8, 16, 32, …… Refer th... |
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| Class VI |
Mathematics |
Ganita Prakash |
1 |
number sequence, starting with 3. • Number of Corners = 3,4,5,6,7,8,9,10… Yes, we get the same number sequence • in any closed figure, number of si... |
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| Class VI |
Mathematics |
Ganita Prakash |
10 |
10 THE OTHER SIDE OF ZERO Integers More and more numbers! Recall that the very first numbers we learned about in the study of mathematics were the ... |
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| Class VI |
Mathematics |
Ganita Prakash |
10 |
them, Bela purchased a multistoried building and filled it with attractions. She named it Bela’s Building of Fun. But this was no ordinary building... |
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| Class VI |
Mathematics |
Ganita Prakash |
10 |
Store.So,theToyStoreisonFloor– 1similarlystarting from the ground floor, you must press – 2 to reach the Video Games shop. So, the Video Games shop... |
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| Class VI |
Mathematics |
Ganita Prakash |
10 |
movement. 2. Evaluate these expressions (you may think of them as Starting Floor + Movement by referring to the Building of Fun). a. (+ 1) + (+ 4) ... |
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| Class VI |
Mathematics |
Ganita Prakash |
10 |
reach? Here is another way to think of the concept of inverse. If you are at Floor +4 and you press its inverse – 4, then you are back to zero, the... |
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| Class VI |
Mathematics |
Ganita Prakash |
10 |
in the boxes with < or >: a. – 10 – 12 b. + 17 – 10 c. 0 – 20 d. + 9 – 9 e. – 25 – 7 f. + 15 – 17 C 3. If Floor A = – 12, Floor D = – 1 and Floor E... |
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| Class VI |
Mathematics |
Ganita Prakash |
10 |
quantity. In the context of different floor levels, what is the change required to reach the Target Floor from the Starting Floor? Notice that the ... |
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| Class VI |
Mathematics |
Ganita Prakash |
10 |
may think of them as finding the movement needed to reach the Target Floor from the Starting Floor. a. (+ 1) – (+ 4) = _______ b. (0) – (+ 2) = ___... |
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| Class VI |
Mathematics |
Ganita Prakash |
10 |
+1000 Complete these expressions. +900 a. (+ 40) + ______ = + 200 b. (+ 40) + _______ = – 200 c. (– 50) + ______ = + 200 d. (– 50) + _______ = – 20... |
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| Class VI |
Mathematics |
Ganita Prakash |
10 |
corresponding positive number? Math Talk Take a look at the ‘infinite lift’ above. Does it remind you of a number line? In what ways? Back to the n... |
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| Class VI |
Mathematics |
Ganita Prakash |
10 |
8 9 10 You must move 6 steps backward, i.e., you must move –6. Hence, we write 9 + (–6) = 3. (Remember again : S tarting Number + Movement = Targ... |
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| Class VI |
Mathematics |
Ganita Prakash |
10 |
The following UNL shows a subtraction problem which can also be writtenasamissingaddendproblem:(– 100) – (+ 250)=?or250+?=– 100. ? – 100 0 + 250 ... |
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