In this lesson, we will consolidate our knowledge of the column method for both addition and subtraction by recapping the method, completing examples and applying our learning.
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Mrs Crane has decided to use partitioning to solve the following equation: 3000 - 2149 = ... from the following options, which is partitioned most efficiently?
2000 and 149
2000, 100 and 49
Correct answer: 2000, 100, 40 and 9
2000, 100, 40 and 9
Q2.
Mrs Crane has decided to use partitioning to solve the following equation: 7000 - 3621 = ... from the following options, which is partitioned most efficiently?
3000, 600 and 21
Correct answer: 3000, 600, 20 and 1
3000, 600, 20 and 1
3600, 20 and 1
Q3.
Will the answer to the following equation: 3000 - 2149 = ... be odd or even?
Even
Correct answer: Odd
Odd
Q4.
Will the answer to the following equation: 7000 - 3621 = ... be odd or even?
Even
Correct answer: Odd
Odd
Q5.
Will the answer to the following equation: 5000 - 2672 = ... be odd or even?