๐ What is Addition?
Addition is when we combine two or more numbers to find their total. It's like putting things together to get a bigger group!
- โ Emoji: Imagine you have 2 apples ๐ and your friend gives you 3 more apples ๐๐๐.
- ๐ข Emoji: To find out how many apples you have in total, you add them together: $2 + 3 = 5$. You now have 5 apples!
- ๐ก Emoji: The symbol for addition is a plus sign (+). We read it as "plus."
โ What is Subtraction?
Subtraction is when we take away a number from another number to find the difference. It's like removing items from a group.
- โ Emoji: Imagine you have 5 cookies ๐ช๐ช๐ช๐ช๐ช and you eat 2 cookies ๐ช๐ช.
- ๐ข Emoji: To find out how many cookies you have left, you subtract: $5 - 2 = 3$. You now have 3 cookies!
- ๐ก Emoji: The symbol for subtraction is a minus sign (-). We read it as "minus."
๐ Addition vs. Subtraction: A Side-by-Side Comparison
| Feature |
Addition |
Subtraction |
| Definition |
Combining numbers to find the total. |
Taking away a number from another to find the difference. |
| Symbol |
Plus sign (+) |
Minus sign (-) |
| Effect on Quantity |
Increases the quantity |
Decreases the quantity |
| Example |
$3 + 4 = 7$ |
$7 - 4 = 3$ |
| Keywords |
Sum, total, plus, combine, increase |
Difference, minus, take away, decrease, left |
โจ Key Takeaways
- ๐ก Emoji: Addition helps us find the total when we combine things.
- ๐ Emoji: Subtraction helps us find what's left after we take things away.
- โ Emoji: Addition uses the plus sign (+), while subtraction uses the minus sign (-).