Vocabulary
What does it mean to overestimate
When your guess is too big
908 x 24
21,792
951 x 23
21,873
29 x 688
21,000
85 x 100
8500
To guess a number that is smaller than the product.
530 x 62
32,860
615 x 43
26,445
4,000
194 x 100
19,400
factor
402 x 83
33,366
531 x 62
32,922
180 x 586
120,000
10 x 6439
64,390
What is a variable?
1201 x 4
4,804
169 x 33
5,577
513 x 19
10,000
250 x 100
250
product
the answer to a multiplication problem
6309 x 56
353, 304
247 x 61
15,067
HINT ROUND TO THE TENS 854 x 733
620,500
103 x 374
374,000