阅读理解
How much do you know about addition (加法) ?Addition is the process of adding numbers to make a new total. Look at the following.
Add 1 ball to 1 ball to make 2 balls.
Using numbers 1+1=2
Using words One plus one equals two.
If you add 2 and 3,you will get 5. You would write it like this:2+3=5.
Here are some problems about addition.
Problem 1 :A woman has 5 dollars and plans to get 7 more tomorrow. How many will she have then?
Problem 2:Sofia gives Mrs. Jones 7 dollars. Mrs. Jones already has 10 dollars. So how many dollars does Mrs. Jones have now?
Problem 3:Jasmine has 8 markers and plans to get 9 more tomorrow. How many markers will she have then?
Problem 4:Mr. Li has 8 dollars and is given 2 more. How many dollars does he have now?
Problem 5:Mrs. Smith has 10 pens and plans to get 10 more tomorrow. How many pens will she have then?
Problem 6:Sophie carried balloons ,but the wind blew 7 away. She has 4 balloons left. How many balloons did she have at first?