Use place value to solve problems. Read tens and ones, choose a plan, and check your answer. Draw or use blocks to think it through.
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55 is one more than 54, and 10 more than 45
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82 is one less than 83, and ten less than 92
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15 is one less than 16 and ten more than 5
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‘10 more’ means adding 10 to the number
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‘4 more’ means adding 4 to 65
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’20 less’ means counting back 20 from 80, or subtracting 20
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10p more means adding one 10 in the tens column
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£1 is 100p. 50p less than this is 50p
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Knowing numbers bonds or pairs to 20 helps here
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13 + 7 = 20, so 20 – 7 must be 13!
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