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In this lesson, we will learn how to use basic addition facts to solve sums where the numbers are increased by a tens number.
Nabil is investigating patterns in subtraction sentences with the same difference.
He uses a model to write these expressions which are all equal to 8.
What number is missing?
The first numbers in the expressions (25, 27, 29) follow the pattern add 2.
What pattern do the second numbers follow?
Investigate other subtraction expressions that are equal to 8.
Find the missing number.
Describe the rule for this number pattern
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