Addition
What would be a reasonable estimate for this problem?
243 + 189 = ?
a. 1,204 b. 3,812 c. 57 d. 432
d. 432
What would be a reasonable estimate for this problem?
432 − 198 = ?
a. 234 b. 3,876 c. 61 d. 1,209
a. 234
What would be a reasonable estimate for this problem?
23 × 4 = ?
a) 6 b) 526 c) 400 d) 92
d) 92
What would be a reasonable estimate for this problem?
56 + 378 = ?
a. 4 b. 2,945 c. 61 d. 434
d. 434
What would be a reasonable estimate for this problem?
700 − 356 = ?
a. 45,201 b. 5,902 c. 73 d. 344
d. 344
What would be a reasonable estimate for this problem?
47 × 3 = ?
a) 9 b) 141 c) 600 d) 3,021
b) 141
What would be a reasonable estimate for this problem?
129 + 67 = ?
a. 196 b. 4,210 c. 83 d. 1,002
a. 196
What would be a reasonable estimate for this problem?
615 − 289 =?
a. 326 b. 7440 c. 84 d. 1763
a. 326
What would be a reasonable estimate for this problem?
91 x 2 = ?
a) 11 b) 1002 c) 102 d) 9,343
c) 102
What would be a reasonable estimate for this problem?
305 + 248 = ?
a. 56,039 b. 553 c. 92 d. 1,876
b. 553
What would be a reasonable estimate for this problem?
904 − 475 = ?
a. 4,290 b. 8,315 c. 492 d. 2,604
c. 429
What would be a reasonable estimate for this problem?
62 × 5 = ?
a) 10 b) 310 c) 900 d) 3,301
b) 310