All the solutions provided in McGraw Hill My Math Kindergarten Answer Key PDF Chapter 5 Lesson 2 Use Objects to Add will give you a clear idea of the concepts.
McGraw-Hill My Math Kindergarten Answer Key Chapter 5 Lesson 2 Use Objects to Add
Explore and Explain
Total Number 9
Number of hamburgers that are on the first grill = 4 (Four)
Number of hot dogs that are on the second grill = 5 (Five)
Therefore, total number of items (hamburgers and hot dogs) that are on the both the grills = 9
Teacher Directions: Use 
to model the addition story. Four hamburgers are on one grill. Five hot dogs are on another grill. Write the number that tells how many hamburgers and hot dogs there are in all.
See and Show
Question 1.
Answer: 5
Number of birds that are on a tree = 3
Number of more birds that are joined on a tree with previous birds = 2
Therefore, total number of birds that are on the tree = 5
Question 2.
Answer: 3
Number of birds that are on a tree = 2
Number of more birds that are joined on tree with previous birds = 1
Therefore, total number of birds that are on the tree = 3
Question 3.
Answer:Â 4
Number of birds that are on a tree = 1
Number of more birds that are joined on a tree with previous birds = 3
Therefore, total number of birds that are on the tree = 4
Directions: 1. Use counters to model. Three birds are in a tree. Two more birds join them. How many birds are there in all? Trace the number. 2-3. Use counters to model joining groups of birds. Write the number that tells how many there are in all.
On My Own
Question 4.
Answer: 6
Number of birds that are on a tree = 4
Number of more birds that are joined on a tree with previous birds = 2
Therefore, total number of birds that are on the tree = 6
Question 5.
Answer: 8
Number of birds that are on a tree = 3
Number of more birds that are joined in a tree with previous birds = 5
Therefore, total number of birds that are on the tree = 8
Question 6.
Answer: 7
Number of birds that are on a tree = 4
Number of more birds that are joined on a tree with previous birds = 3
Therefore, total number of birds that are on the tree = 7
Directions: 4-6. Use counters to model joining groups of birds. Write the number that tells how many there are in all.
Problem Solving
Question 7.
Answer: 5
Number of people in first group = 2
Number of people in second group = 3
Therefore, total number of people = 5
Question 8.
Answer: 9
Number of people in first group = 5
Number of people in second group = 4
Therefore, total number of people = 9
Question 9.
Answer: 4
Number of people in first group = 1
Number of people in second group = 3
Therefore, total number of people = 4
Directions: 7-9. Write the number that tells how many there are in all.
McGraw Hill My Math Kindergarten Chapter 5 Lesson 2 My Homework Answer Key
Question 1.
Answer: Number of bugs that are on a tree = 3
Number of more bugs that are joined on a tree with previous bugs = 2
Therefore, total number of bugs that are on the tree = 5
Question 2.
Answer: 4
Number of bugs that are on a tree = 1
Number of more bugs that are joined on a tree with previous bugs = 3
Therefore, total number of bugs that are on the tree = 4
Question 3.
Answer: 7
Number of bugs that are on a tree = 4
Number of more bugs that are joined on a tree with previous bugs = 3
Therefore, total number of bugs that are on the tree = 7
Directions: 1. Use pennies to model. Trace the pennies. Three bugs are on a branch. Two more bugs join them. How many bugs are there in all? Write the number. 2-3. Use pennies to model joining groups of bugs. Write the number that tells how many.
Question 4.
Answer: 9
Number of bugs that are on a tree = 5
Number of more bugs that are joined on a tree with previous bugs = 4
Therefore, total number of bugs that are on the tree = 9
Question 5.
Answer: 8
Number of bugs that are on a tree = 6
Number of more bugs that are joined on a tree with previous bugs = 2
Therefore, total number of bugs that are on the tree = 8
Vocabulary Check
Question 6.
add
Answer: 6
Number of boats before added = 3
Number of more boats that are added to the previous boats = 3
Therefore, total number of boats = 6
Directions: 4-5. Use pennies to model joining groups of bugs. Write the number that tells how many there are in all. 6. Count the row boats. Draw three more. Write the number that tells how many there are in all.
Math at Home Tell your child an addition story. Using buttons or pennies, ask your child to model the story and tell how many there are in all.
Answer: seven buttons are on the table. Two more buttons added to that table. How many total buttons are there in all?
9
Number of buttons that are on the table before added = 7
Number of buttons that are added on to the table = 2
Therefore, total number of buttons that are on the table are = 9