Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.
Kiran has some books.
His friend gives him some more books.
Activity 1
Kiran’s Books
Standards Alignment
Building On
Addressing
1.OA.1
Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.
Kiran has 6 books.
His friend gives him some more books.
Now Kiran has 8 books.
How many books did Kiran get from his friend?
Show your thinking using drawings, numbers, or words.
Activity 2
Compare the Problems
Standards Alignment
Building On
Addressing
1.OA.1
Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.