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Rounding – to the nearest 10
1 9 5 5 or more? 5 or more? 5 or more? No Yes Yes 2 0 0
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Rounding – to the nearest 100
8 9 5 or more? 5 or more? 5 or more? No Yes Yes 1 0 0 Copy & complete this table: Number To nearest 10 To nearest 100 To nearest 1000 37 521 9 875 452 37520 37500 38000 274500 274500 275000 Your Turn 9880 9900 10000 450 500
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Rounding to 1 Decimal Place (1DP)
5 or more? 5 or more? 5 or more? No No Yes 4 . 8 4 . 8 4 . 9 5 or more? 5 or more? 5 or more? Yes Yes Yes 4 . 9 5 . 3 2 . 0
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Rounding to Decimal Places: 2DP
5 or more? 5 or more? 5 or more? No Yes Yes 5 or more? 5 or more? 5 or more? No Yes Yes
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Rounding to Decimal Places: 3DP
5 or more? 5 or more? 5 or more? Yes No Yes 5 or more? 5 or more? 5 or more? No Yes Yes
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Rounding to Decimal Places
1DP 2DP 3DP 5 or more? 5 or more? 5 or more? Yes No Yes 4 . 9 Copy & complete this table: Number To 1DP To 2DP To 3DP 63.5 63.47 63.472 87.7 87.66 87.656 Your Turn 150.0 149.99 3.5 3.54 3.540 0.6 0.60 0.600
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Rounding to 1 Significant Figure (1SF)
5 or more? 5 or more? 5 or more? Yes No No 1 2 4 1 5 8 7 7 5 5 or more? 5 or more? 5 or more? No Yes Yes 2 0 0 6 0 0 8 0
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Rounding to 2 Significant Figure (2SF)
5 or more? 5 or more? 5 or more? Yes No Yes 1 . 4 5 or more? 5 or more? 5 or more? Yes No Yes
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Rounding to 3 Significant Figure (3SF)
5 or more? 5 or more? 5 or more? No No No 5 or more? 5 or more? 5 or more? Yes Yes Yes
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Rounding to Significant Figures
1SF 2SF 3SF 5 or more? 5 or more? 5 or more? Yes Yes Yes Copy & complete this table: Number To 3SF To 2SF To 1SF 6.3528 34.026 6.35 6.4 6 34.0 34 30 Your Turn 0.0057 0.006 151 150 200
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Leave out Questions 3, 8, 10, 11, 12, 13 until next lesson
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