Page 76 - Start Up Mathematics_4

(c) 841 × 46 = _____________ (d) 245 × 432 = _____________

(e) 668 × 695 = _____________ (f) 423 × 802 = _____________

2. Multiply using both lattice and column methods.
(a) 211 × 16 (b) 123 × 45 (c) 561 × 23 (d) 824 × 32
(e) 456 × 117 (f) 132 × 144 (g) 745 × 821 (h) 639 × 705

LET’S EVALUATE

1. Find the following products.
(a) 2,347 × 9 (b) 1,805 × 7 (c) 4,231 × 80 (d) 65 × 43
(e) 98 × 27 (f) 249 × 38 (g) 346 × 75 (h) 4,218 × 36

(i) 560 × 710 (j) 871 × 400 (k) 3,062 × 70 (l) 98 × 5,000
(m) 379 × 104 (n) 2,468 × 579 (o) 5,063 × 98 (p) 8,324 × 67

2. Choose the best estimate and tick the correct answer.
(a) Poonam bought 54 jigsaw puzzles. Each puzzle had 58 pieces. About how many
puzzle pieces did Poonam get in all?

3,000 30,000

68