Page 69 - Viva

(j) 23 × 8 (k) 74 × 7 (l) 95 × 4

(m) 46 × 9 (n) 39 × 6 (o) 88 × 5

4. Match the following.

Column A Column B

(a) 4 × 3 (i) 2 × 7
(b) 6 × 3 (ii) 10 × 5

(c) 7 × 2 (iii) 21 × 3
(d) 5 × 10 (iv) 12 × 1

(e) 9 × 7 (v) 9 × 2

5. Construct the tables of 5 and 7 by skip counting.

6. Construct the tables of 6 and 8 by adding 1 to 10.

7. Multiply by lattice method.

(a) 32 × 4 (b) 29 × 8 (c) 51 × 2 (d) 12 × 9

8. Estimate the following products.

(a) 94 × 6 (b) 57 × 3 (c) 28 × 7 (d) 56 × 8

9. Multiply mentally using the most suitable method and write the answer.

(a) 47 × 3 = (b) 94 × 9 = (c) 83 × 4 =

10. Solve the given word problems.
(a) There are 7 balls in a box. There are 43 such boxes. How many balls are there

in all?
(b) In a class of 35 children, each child carries 3 notebooks. How many notebooks
are there in all?

(c) There are 9 sunflower plants in each row in a garden. If there are 42 such rows,
how many sunflower plants are there in all?

(d) There are 6 chairs in each room. If there are 18 such rooms, how many chairs
are there in all?

(e) There are 54 strawberries in a box. If there are 8 such boxes, how many
strawberries are there in all?

(f) There are 25 cookies in a packet. If there are 9 such packets, how many cookies
are there in all?

59