All the solutions provided in McGraw Hill My Math Grade 1 Answer Key PDF Chapter 1 Lesson 1 Addition Stories will give you a clear idea of the concepts.
McGraw-Hill My Math Grade 1 Answer Key Chapter 1 Lesson 1 Addition Stories
Explore and Explain
Teacher Directions: Use 
to model. 3 children ore swinging. 1 child is on the slide. How many children are at the park in all? Write the number.
See and Show
There are 4 ducks in the pond. 4 more ducks walk to the pond. How many ducks are there in all?
8 ducks.
Tell a number story. Use 
. Write how many in all.
Question 1.
_____ turtles
Answer:
6 turtles
Explanation:
5 turtles on the ground
one turtle joined them
5 + 1 = 6 turtles
Question 2.
____ birds
Answer:
Explanation:
3 birds on the ground
2 more birds joined them
3 + 2 = 5
Talk Math Tell how you put groups together.