We solved story problems.
We represented the problems with objects, drawings, and words.

• We solved story problems with addition.

  Mai reads 3 books about dogs.
  Then she reads 4 more books.
  How many books does Mai read all together?

  

• We solved story problems with subtraction.

  Tyler has 7 books about spiders.
  He gives 3 to Kiran to read.
  How many books does Tyler have left?

  

• We solved story problems where the change was unknown.

  Lin has 5 books.
  Her teacher gives her some more books.
  Now Lin has 10 books.
  How many books did the teacher give her?

  

• We learned that the equal sign, , means “the same amount as” and “equals.”