Multi-digit Multiplication
2 tens x 3 tens
6 hundreds (600)
598 x 62 (round and estimate, then multiply)
600 x 60= 36,000
39 x 14
546
1.67 x 35
58.45
24 ones x 6 tens
144 tens (1,440)
1,125 x 58 (round and estimate, then multiply)
1,000 x 60 = 60,000
17 x 98
1,666
4.55 x 98
445.9
51 tens x 3 hundreds
153 thousands (153,000)
28,500 x 430 (round and estimate, then multiply)
30,000 x 400= 12,000,000
132 x 19
2,508
4.2 x 51
214.2
231 tens x 3 hundreds
693 thousands (693,000)
87 tens x 61 tens (round and estimate, then multiply)
900 x 600 = 540,000
210 x 30
6,300
5.83 x 583
3,398.89
7 hundreds x 8 hundreds
56 ten thousands (560,000)
3,588 x 78 (round and estimate, then multiply)
4,000 x 80= 320,000
520 x 45
23,400
7.80 x 780
6,084