Choose the correct sign:
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Choose the correct sign:
To solve this problem, we need to evaluate both sides of the expression to find the appropriate sign (, , ).
Thus, the correct sign that completes the expression is .
If we have 67 blocks in total, how many blocks will remain if we remove 5 tens and 4 ones?
No! Don't be fooled by large numbers like 20. You must calculate each side completely before comparing. The operations (addition and subtraction) change the final values.
Follow the order of operations! Do addition and subtraction from left to right. So calculate 5+5 first, then 20-10, then compare the results.
After calculating both sides:
Perfect! When both sides equal the same number (like 10 and 10), the correct sign is =. This means the expressions are equivalent.
It's better to calculate first, then choose. But if you're unsure, you can test each sign by asking: 'Is 10 = 10?', 'Is 10 < 10?', 'Is 10 > 10?' Only the first one is true!
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