Q4 of 55 Page 50

Find all the multiples of 9 up to 100.

1 × 9 = 9


2 × 9 = 18


3 × 9 = 27


4 × 9 = 36


5 × 9 = 45


6 × 9 = 54


7 × 9 = 63


8 × 9 = 72


9 × 9 = 81


10 × 9 = 90


11 × 9 = 99


So,


The multiplies of 9 up to 100 will be,


9, 18, 27, 36, 45, 54, 63, 72, 81, 90 and 99.


More from this chapter

All 55 →
2

Write first five multiplies of:

(a) 5


(b) 8


(c) 9

 3

Match the items in column 1 with the items in column 2:

Column 1 Column 2


(i) 35 (a) Multiple of 8


(ii) 15 (b) Multiple of 7


(iii) 16 (c) Multiple of 70


(iv) 20 (d) factor of 30


(v) 25 (e) factor of 50


(f) factor of 20

 1

What is the sum of any two

(a) Odd numbers? (b) Even numbers?

 2

State whether the following statements are True or False:

(a) The sum of three odd numbers is even.


(b) The sum of two odd numbers and one even number is even.


(c) The product of three odd numbers is odd.


(d) If an even number is divided by 2, the quotient is always odd.


(e) All prime numbers are odd.


(f) Prime numbers do not have any factors.


(g) Sum of two prime numbers is always even.


(h) 2 is the only even prime number.


(i) All even numbers are composite numbers.


(j) The product of two even numbers is always even.