Page 48 - Maths Class 05

5. Multiply.

a. 46219 × 263 b. 7923 × 73 c. 4976 × 92

d. 8654 × 48 e. 8907 × 27 f. 5315 × 34

g. 234567 × 173 h. 7829 × 450 i. 73906 × 405

j. 72809 × 365 k. 4319 × 2300 l. 4223 × 3809

What numbers should replace the A and B in the multiplication table ?

A =

B =

Complete the inequalities with >, <, or =.

A <> B because 6 × 1 <> 6 × 2. Get a hint

× 1 2 3 4 5 6 3 3 6 9 12 15 18

4 4 8 12 16 20 24

5 5 10 15 20 25 30

6 A B 18 24 30 36

Learning Objective : To understand that addition as well as multiplication are commutative
for whole numbers.
Pre-requisite : i. Knowledge of addition and multiplication of whole numbers.

ii. Knowledge of commutative property of whole numbers.

Materials Required : Grid papers, a pair of scissors and glue.

Procedure (a) : To verify 3 + 4 = 4 + 3
Steps :

1. Cutout two strips each of length 3 units
from a grid paper and shade them with
any colour (say Red) Fig. 1(a)

2. Cutout two strips each of length 4 units
from a grid paper and shade them with
different colour (say Blue) Fig. 1(b).
Fig 1(a) Fig 1(b)

Mathematics-5 48