Choose the correct sign:
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Choose the correct sign:
To solve this problem, let's determine the values of each sum and compare them:
Performing the addition, we have:
Performing the addition, we have:
Since is less than , the inequality between and is:
Therefore, the correct sign to insert in is:
Thus, the complete inequality is:
Therefore, the solution to the given problem is .
If we have 67 blocks in total, how many blocks will remain if we remove 5 tens and 4 ones?
Yes! Even with easy addition, always calculate first. This builds good habits for harder problems and prevents silly mistakes.
Think of the symbol as a hungry mouth that always opens toward the bigger number. So 15 < 20 means the mouth opens toward 20!
Double-check your addition! Use your fingers, draw pictures, or count up. 10 + 5: start at 10, count 5 more gets 15. 10 + 10 is two tens = 20.
Yes! If both expressions equal the same number, then you'd use the sign. But always calculate first to be sure.
Comparing expressions teaches you to evaluate before deciding. This skill helps with bigger math problems, word problems, and logical thinking!
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