1 We can use rounding to help make estimates. 236 people buy tickets for the school play.
2 The number 236 is more than halfway between 230 and 240 on a number line so it rounds up to 240 to the nearest 10.
236
230
240
Numbers with digits 5, 6, 7, 8 or 9 in the ones position round up to the nearest 10. 3 The number 236 is less than halfway between 200 and 300 on a number line so it rounds down to 200 to the nearest 100.
236
200
300
Numbers with digits 0, 1, 2, 3 or 4 in the tens position round down to the nearest 100.
16
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04/05/2022 15:49
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