Determine the numerical value of the triangle:
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Determine the numerical value of the triangle:
To solve the problem , we will proceed as follows:
Thus, the value of the triangle, , is .
The correct answer from the provided choices is option
If we have 67 blocks in total, how many blocks will remain if we remove 5 tens and 4 ones?
We need to isolate the triangle to find its value! When we have , we rearrange to get .
Use the opposite operation! Since we have subtraction in the original equation, we use addition to move terms. Think: what number plus 80 equals 88?
Always think about the original relationship: 88 minus something equals 80. So that something must be .
Yes! You can think of it as: 80 + what number = 88? Since , the triangle must equal 8.
The same principle applies! Whether it's or , always isolate the triangle using opposite operations.
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