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In this lesson, we will learn how to subtract a 2-digit number from a 2-digit number by breaking one number apart and subtracting tens then ones.
Q1:
Use this strategy to find the difference using the blocks: 78−5.
Find the difference: 78−50.
Q2:
First, she took away the tens. What number did she get?
Then, she took away the ones. Help her finish the calculation.
What is 53−27?
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