Addition is a skill you'll use your whole life.
Addition is putting numbers together to make a sum, or total.
The plus sign + tells you to add two numbers.
= is an equals sign. It shows that things on either side of it are equal.
Imagine you have 3 marbles, and you win 2 more.
How many marbles do you have in all?
To find the answer, we use addition!
Let's review four ways to add that you probably learned in first grade.
You can use pictures to do addition.
Just count all the marbles to find the sum.
3 + 2 = 5 ✅
You can use a number line to do addition.
3 + 2 = ?
A number line is a straight line with numbers on it.
Start from 3 and jump forward 2 steps.
You get 5!
You can use your fingers to do addition.
3 + 2 = ?
Start from 3 and count up 2 times.
What answer did you get?
You got it! It's 5. 👍
Most people use addition every day.
When you buy things at a store, you have to add prices like this:
$4 + $3 = $7
Because we use addition so much, the best way to do it is from memory.
If someone asks, "What's 4 + 3?", you should be able to answer 7 in a flash, without even thinking about it. ⚡️👍
Tip: You'll see addition written as a sentence and in column form. They mean the same thing.
Now, you're ready to ace the practice.