Question

Friday night 289
Saturday night 412
Sunday matinee 162
Sunday night 347.

The table shows how many people attended the school play at each performance. Round to the nearest hundred to find about how many people saw the play over the whole weekend.

A. 1,000
B. 1,200
C.1,400
D. 1,500

Answer 1

412 + 162 + 347 = 921. Because it is closer to 900 than 1,000, the answer is 900.

Answer 2

round up or down then add 
412=400
162=200
347=400
add your new numbers up and u get 1000