2 by 1 Multiplication
15 x 4
60
102 x 3
306
18 x 14
252
109 x 12
1308
Ms. Castro is estimating the product of 739 x 9. Ms. Castro rounds 739 to the nearest hundred. What is her estimated product?
6300
26 x 3
78
175 x 6
1050
341
226 x 21
4746
Ms. York estimates the product 498 x 20. What is her estimated product?
10000
63 x 4
252
328 x 4
1312
36 x 24
864
374 x 24
8976
Estimate the product of 534 x 512. What is the estimated product?
250000
85 x 7
595
649 x 7
4543
76 x 52
3952
689 x 52
35828
The tables in the cafeteria are arranged in sections, with the same number of tables in each section. Mrs. Rice uses rounding to estimate that there are about 2,000 total tables in the cafeteria.
Select all possible arrangements for the number of sections and number of tables in each section.
A. 2 sections of 1,004 tables
B. 3 sections of 179 tables
C. 6 sections of 247 tables
D. 4 sections of 499 tables
A, D
97 x 9
873
892 x 8
7136
95 x 85
8,075
825 x 92
75900
The seats in the Chicago Bears Stadium are arranged in sections, with the same number of seats in each section. Coach Matt Eberflus uses rounding to estimate that there are about 1,800 seats total in the Stadium.
Select all the possible arrangements for the number of seats in each section.
A. 2 sections with 820 seats
B. 3 sections with 574 seats
C. 2 sections with 912 seats
D. 4 sections with 466 seats
B, C