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Year 4 Maths Addition

Estimate & check addition

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Questions
Question 1
190387

To estimate the sum \(47 + 31\), Bianca first rounds each number to the nearest \(10\). The number line shows where \(47\) sits. What is \(47\) rounded to the nearest \(10\)?

Number line from 40 to 50 A number line from 40 to 50 with the halfway point 45 marked; a red arrow points to 47. 40 45 50 47
50
1 mark

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