Addition with Tens Units: Finding Number Pairs That Sum to 55

Which addition exercise using tens units results in 55?

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Which addition exercise using tens units results in 55?

To solve this problem, we need to find an addition exercise using tens units that totals 55. Let's work through the steps:

Step 1: Identify the largest tens unit less than or equal to 55. The closest one is 50.
Step 2: Determine how much more is needed to reach 55. This is $55 - 50 = 5$ .
Step 3: Add the tens unit 50 and the additional units 5 together. This results in $50 + 5 = 55$ .

We conclude that the correct addition exercise is $50 + 5$ , which is option choice id="3".

Therefore, the solution to the problem is:

$50+5$

$50+5$

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