lesson

Updated 1 month ago Β· 6 views
Imagine you have 2 juicy red apples in your basket, and your friend gives you 1 bright green apple.
How can we show in math that these two groups are coming together?
Meet the Plus Sign
In math, we use a special symbol called the plus sign (+) to show that groups are joining together.
It looks like one straight line going down crossed by one straight line going across.
πInteractive diagram
What does this little cross symbol actually tell us to do with our objects?
Joining Groups Together
The plus sign means adding or putting things together into one bigger group.
Whenever you see a plus sign between two numbers, it tells you to combine both amounts.
πInteractive diagram
How do we say this out loud when we read it in a book?