Question

Thus, estimated difference = 8.800 – 600 = 8,200.
(iv) 1521 +6325
Exercise 1F
1. Estimate first, then write the sum or difference. Find the sum to check your work.
(i) 51 +47
(ii) 528 +62
(I) 2314 + 372
(V) 43278 + 2902 (vi) 7893-4164 (vii) 47348 - 2267
(viii) 2597 - 390
(ix) 9001 - 557
(x) 65662 - 4465
helo you.​

Answer 1

Answer:

i. 98

ii. 590

iii.2686

iv. 7846

v. 46180

vi. 3729

vii.45081

viii.2207

ix.8444

x.61197