Question

please gave answer I notebook with writing
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Answer 1

Answer:

(i) 850 + 888

• 850 is Rounded off to nearest hundred 900
• 888 is Rounded off to nearest hundred 900

Estimated difference = 900 - 900 = 1800

(ii) 698 - 214

• 698 is Rounded off to nearest hundred 700
• 214 is Rounded off to nearest hundred 200

Estimated difference = 700 - 200 = 500

(iii) 742 + 786

• 742 is Rounded off to nearest hundred 700
• 786 is Rounded off to nearest hundred 900

Estimated difference = 700 + 900 = 1600

(iv) 975 -686

• 675 is Rounded off to nearest hundred 900
• 686 is Rounded off to nearest hundred 700

Estimated difference = 900 - 700 = 200

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I did as far as possible.

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