Rounding and Estimating

Estimate the answer to these questions:

a 289 + 307 b 795 + 389 c 27 + 196 d 298 + 193

e 408 + 711 f 396 + 208 g 2,197 + 289

Estimate the answers to these questions:

a 501 – 107 b 498 – 108 c 209 – 97 d 879 – 298

e 307 – 198 f 488 – 101 g 1,003 – 498

Estimate the answers to these questions:

a 291 x 4 b 689 x 2 c 98 x 61 d 991 x 5