Find the missing part when subtracting two-digit numbers
Lesson 9 / 15
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Lesson outcome
I can solve missing number equations involving subtracting two-digit numbers.
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The parts and the whole can be rearranged to help us solve equations.
A bar model or a part-part-whole model can be used to help understand missing number equations.
Addition can be used to check subtraction equations.
Addition can be used to solve missing number subtraction equations.
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