Page 148 - New Medley 4 Semester 1
P. 148
6. Fill in the blanks.
(a) 5115 × 1 = (b) 1 × = 1238
(c) 4233 × 0 = (d) 0 × 6059 =
(e) × 7048 = 0 (f) 8125 × 2482 = 2482 ×
7. Estimate the product by rounding to the nearest tens.
52 × 197: Estimate: × =
8. Fill in the boxes.
(a) 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 = 8 ×
(b) 11 + 11 + 11 + 11 + 11 = × 11
(c) 15 + 15 + 15 + 15 + 15 + 15 + 15 = ×
(d) 4 × 13 = + + +
9. Vertical multiplication.
(a) TTh Th H T O (b) TTh Th H T O
2 7 7 6 3 8 7 5
× 1 1 × 1 2
(c) TTh Th H T O (d) TTh Th H T O
4 7 8 5 5 5 9 4
× 1 3 × 1 4
(e) TTh Th H T O (f) TTh Th H T O
6 6 5 9 7 1 3
× 1 5 × 2 6
10. Each packet has 1450 items. How many items in 27 such packets?
146
