Hello there, young mathematicians! In this exciting chapter, we're going to learn how to subtract numbers without using any objects or pictures. It's like magic for numbers!
Example 1: 8 - 3
Ans: To subtract 3 from 8, we start with the bigger number (8) and take away the smaller number (3).
Here's how you do it:
Start at 8.
Count back 3 steps: 8, 7, 6.
So, 8 - 3 equals 6. Easy peasy!
Example 2: 9 - 2
Ans: Now, let's subtract 2 from 9:
Begin at 9.
Count back 2 steps: 9, 8.
So, 9 - 2 equals 7. Great job!
Example 3: 6 - 4
Ans: Here's another one:
Begin at 6.
Count back 4 steps: 6, 5, 4, 3.
So, 6 - 4 equals 2. You're doing fantastic!
Example 4: 10 - 1
Ans: This time, we'll subtract 1 from 10:
Start at 10.
Count back 1 step: 10.
So, 10 - 1 equals 9. Way to go!
Example 5: 7 - 7
Ans: Sometimes, we'll have the same numbers:
Begin at 7.
Count back 7 steps: 7, 6, 5, 4, 3, 2, 1.
So, 7 - 7 equals 0. That's like making all the numbers disappear!
Example 6: 5 - 0
Ans: Last but not least, let's subtract 0 from 5:
Start at 5.
Well, there's nothing to take away, so we stay at 5.
So, 5 - 0 is still 5. Zero doesn't change anything when we subtract it.
And there you have it, subtraction without objects! It's all about counting back from the bigger number to the smaller one. Keep practicing, and you'll become a subtraction superstar!
You're ready to tackle subtraction like a pro! Keep up the good work, and remember, math can be lots of fun.
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