Determine the numerical value of the triangle:
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Determine the numerical value of the triangle:
To solve this problem, we'll use basic arithmetic involving subtraction:
Now, let's work through each step:
Step 1: We recognize that we need such that .
Step 2: Subtract 56 from 60: .
Step 3: Perform the calculation: .
Therefore, the value of the triangle is .
If we have 67 blocks in total, how many blocks will remain if we remove 5 tens and 4 ones?
Think of it like this: if you have 56 items and need to reach 60 total, you need to add something. To find that "something," you calculate how much more you need: 60 - 56 = 4.
If you had , the answer would be exactly the same! Addition is commutative, meaning the order doesn't change the result.
Simply substitute your answer back into the original equation. Replace the triangle with your answer and see if both sides are equal: ✓
The triangle () is just a placeholder for an unknown number, like using 'x' in algebra. It represents the value we need to find to make the equation true.
Yes! You can think: "What number plus 56 equals 60?" Count up from 56 to 60: 57, 58, 59, 60. That's 4 steps, so the answer is 4!
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