What number will we get if we add 5 units to the number 15?
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What number will we get if we add 5 units to the number 15?
The problem requires us to add 5 units to the number 15. To solve this, we will use simple addition. Here is the step-by-step process:
This addition can be computed as follows:
- Start from 15, and count 5 numbers forward: 16, 17, 18, 19, and finally 20.
Thus, .
Therefore, the number we get after adding 5 units to 15 is .
The answer matches choice 3.
If we have 67 blocks in total, how many blocks will remain if we remove 5 tens and 4 ones?
"Adding 5 units" is just another way of saying add 5! It's the same as 15 + 5. The word "units" just emphasizes that we're adding 5 individual items or numbers.
No difference at all! Whether the problem says "add 5" or "add 5 units," you do exactly the same thing: 15 + 5 = 20.
Try these methods: 1) Count forward on your fingers, 2) Use the reverse: 20 - 5 should equal 15, or 3) Break it down: 15 + 5 = 15 + 5 = 20.
Look for the key math words! "Add," "plus," "combine," "total," and "sum" all mean addition. Focus on the numbers and the operation, not fancy language.
Math problems sometimes use different words to help you think about what you're counting. Whether it's units, objects, or just numbers, addition works the same way!
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