Page 30 - Concepts of Reasoning-8

CHAPTER

Worksheet-3.1 square numbers 3

Properties of Square Numbers

1. Classify the following numbers as square numbers and non-square numbers and write them in
their respective boxes. Also, write the property that help to decide whether the given number is a
square number or not.

45, 322, 36, 828, 121, 729, 443, 24157, 225, 529

Square Numbers Non-square Numbers

Property : ______________________________________________________________________

_______________________________________________________________________________

2. Match the numbers with the ones digit of their squares :
Number a. 12548 b. 24367 c. 25345 d. 9744 e. 54731
Ones digit of the square of the number i. 5 ii. 6 iii. 4 iv. 1 v. 9

3. Complete the following. One is done for you :

2 576 a. 3 729
2 288 576 = 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 3 729 =
2 144 = (2 × 2) × (2 × 2) × (2 × 2) × (3 × 3) =
2 72 576 is a square number. 3 27 729 is ________ .
2 36 9
2 18
3 9
3

b. 5 425 c. 2 2700 d. 3 525
5 425 = 2700 = 525 =
= 3 675 = 5 35 =
425 is ______ . 2700 is ______ . 525 is ______ .

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30 Reasoning - 8