What is the least amount of units we can add to the number 34 in order to get a number consisting only of whole tens?
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What is the least amount of units we can add to the number 34 in order to get a number consisting only of whole tens?
To solve this problem, we'll follow these steps:
Now, let's calculate:
The smallest multiple of ten greater than 34 is 40. Therefore, we need to calculate .
The difference is .
Therefore, the solution to the problem is .
If we have 67 blocks in total, how many blocks will remain if we remove 5 tens and 4 ones?
Whole tens are numbers that end in zero, like 10, 20, 30, 40, etc. They're complete groups of ten with no leftover units!
The problem asks for the least amount to add, so you must go up, not down! Going from 34 to 30 would require subtracting 4, not adding.
Look at the ones digit of your number. If it's 4 (like in 34), you need 6 more to reach 10. So 34 becomes 40, which is 4 × 10.
If your number already ends in 0 (like 30, 50, 80), then it's already whole tens! The answer would be 0 units to add.
Absolutely! For any number like 347, find how many units to add to the ones place: 10 - 7 = 3 units, so 347 + 3 = 350.
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