Use efficient written A ribbon is 87.6m long. It is cut into 6 eqaul How many packs of 24 can we make from methods to add and subtract pieces. How long is each piece? Start by 560 biscuits? Start by multiplying 24 by integers and decimals, to multiply multiplying 6 by multiples of 10 to get an multiples of 10 to get an estimate. As and divide integers and decimals estimate. As 6 × 10 = 60 and 6 × 20 = 120, 24 × 20 = 480 and 24 × 30 = 720, we know we know the answer lies between 10 and 20 by a one-digit integer, and to the answer lies between 20 and 30 packs. packs. We start by subtracting 60 from 87.6 multiply two-digit and three-digit We start by subtracting 480 from 560. integers by a two-digit integer so 23 packs of 24 biscuits can be made. Solve'missing-number' problems, using their knowledge of inverse operations: Link to earlier trio work, e.g. 50 ÷∆= 2.5 In effect, the recording above is the long division method, though conventionally the digits of the answer are recorded above the line as shown below.
A ribbon is 87.6m long. It is cut into 6 eqaul pieces. How long is each piece? Start by multiplying 6 by multiples of 10 to get an estimate. As 6 × 10 = 60 and 6 × 20 = 120, we know the answer lies between 10 and 20 packs. We start by subtracting 60 from 87.6 How many packs of 24 can we make from 560 biscuits? Start by multiplying 24 by multiples of 10 to get an estimate. As 24 × 20 = 480 and 24 × 30 = 720, we know the answer lies between 20 and 30 packs. We start by subtracting 480 from 560. so 23 packs of 24 biscuits can be made. In effect, the recording above is the long division method, though conventionally the digits of the answer are recorded above the line as shown below. Use efficient written methods to add and subtract integers and decimals, to multiply and divide integers and decimals by a one-digit integer, and to multiply two-digit and three-digit integers by a two-digit integer Solve'missing-number' problems, using their knowledge of inverse operations: Link to earlier trio work, e.g. 50 ÷∆= 2.5
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