Lesson 14 Expressions and Story Problems
Let’s figure out how expressions go with the story problems.
Warm-up Choral Count: Count On
Now start at the number 3 and count to 10.
Activity 1 Expression for a Story Problem
There were 10 people riding bikes in the park.
Then 6 of the people stopped riding to have lunch.
How many people are riding bikes now?
Activity 2 Which Expression?
There were 2 rocks in Lin’s jar.
At the park, Lin put 4 more rocks into her jar.
How many rocks are in Lin’s jar now?
There were 8 kids playing hopscotch.
3 of the kids left to go jump rope.
How many kids are playing hopscotch now?
Activity 3 Centers: Choice Time
Choose a center.
There are 5 red apples in the bowl.
Lin puts 3 green apples in the bowl.
How many apples are in the bowl?
Circle the expression that matches the story problem.