Estimate by rounding. Show how you estimated
3. Estimate the products of 218 and 6
218 --> 220, 218 is rounded up to 220
6 --> 10, 6 is rounded up to 10
Calculate 220 x 10 = 2200
The estimated product is 2700
4. Estimate the products of 68 and 7
68 --> 70, 68 is rounded up to 70
7 --> 10, 7 is rounded up to 10
Calculate 70 x 10 = 700
The estimated product is 700
5. Estimate the products of 131 and 29
131 --> 130, 131 is rounded down to 130
29 --> 30, 29 is rounded up to 30
Calculate 130 x 30 = 3900
The estimated product is 3900
