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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 5 - Mathematics
1.24 Beginning Radicals

Square Root
In ma, m is the index or order, is the radical or square root sign and a is the radicand.
a*a = a2 and (-a)*(-a) = a2. Here 'a' is called the square root of a2. Thus for a &-a are two square roots of a2. We denote square root with the symbol ' '.

Example : What is the value of 25 ?
Solution : 25 = 5*5.
The square root of 25 is 5.
Number First root
1 11 = 1
2 12 = 2
3 13 = 3
4 14 = 4
5 15 = 5
6 16 = 6
10 110 = 10
200 1200 = 200

Number Second Root Or Square Root
1 21 1 =1x1 = 1
4 24 4 =2x2 = 2
9 29 9 = 3x3 = 3
16 216 16 = 4x4 = 4
25 225 25 = 5x5 = 5
36 236 36 = 6x6 = 6
49 249 49 =7x7 = 7
64 264 64 = 8x8 = 8
81 281 81 = 9x9 = 9
100 2100 100 = 10x10 = 10

Number Third Root
1 31 = 1
8 38 = 2
27 327 = 3
64 364 = 4
125 3125 = 5


Directions: Answer the following questions. Also write at least five more examples of your own for each root (first, second, and third root).
Q 1: square root of 36: 36
Answer:

Q 2: third root of 1: 31
Answer:

Q 3: square root of 81: 81
Answer:

Q 4: fifth root of 1: 51
Answer:

Q 5: square root of 64: 64
Answer:

Q 6: first root of 25: 125
Answer:

Q 7: square root of 49: 49
Answer:

Q 8: square root of 16: 16
Answer:

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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