What number do we get if we add 6 tens and 7 units to the number 12?
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What number do we get if we add 6 tens and 7 units to the number 12?
To solve this problem, we'll follow these steps:
Let's work through each step:
Step 1: Calculate the value of 6 tens.
Each "ten" represents 10 units, so 6 tens equals .
Step 2: Calculate the value of 7 units.
Each "unit" represents 1, so 7 units equal .
Step 3: Add the values from Steps 1 and 2.
The total value of tens and units is .
Step 4: Add this result to the initial number, 12.
So, .
Therefore, when we add 6 tens and 7 units to the number 12, we obtain .
If we have 67 blocks in total, how many blocks will remain if we remove 5 tens and 4 ones?
Tens represent groups of 10! When we say '6 tens', we mean 6 groups of 10, which equals . It's not just the digit 6.
Because 6 tens doesn't mean the number 6! It means 60. You must convert place values first: 6 tens = 60, 7 units = 7, then 60 + 7 + 12 = 79.
Think of it like money! 6 ten-dollar bills isn't worth 60. Same with place value: 6 tens = 60 ones.
Same process! Convert each place value: 3 hundreds = 300, 4 tens = 40, 5 units = 5. Then add them all: 300 + 40 + 5 = 345.
Yes! You could add 12 + 60 + 7, or even 12 + 7 + 60. The order doesn't matter in addition, but you must still convert place values first.
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