Question

1.3.2 Estimating to the nearest tens by rounding off
Look at the following:
259
260
261
262
263
264
265 266 267 268 269
270
(a) Find which flags are closer to 260.
(b) Find the flags which are closer to 270.​

Answer 1

Numbers closer to 260: 259,260,261,262,263,264.

Number closer to 270:265,266,267,268,269,270.

You may get confused by why 265 is 270

Because the rule applies in rounding off to nearest 10:If the number is 5 it always goes to the digit after 5 or 5

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Answer 2

ANSWER:

1. 260
2. 260
3. 260
4. 260
5. 260
6. 260
7. 270
8. 270

a) 250,260,261,262,263 and 264

b) 265,266,267,268,269 and 270

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