All the solutions provided in McGraw Hill My Math Grade 1 Answer Key PDF Chapter 1 Lesson 2 Model Addition will give you a clear idea of the concepts.
McGraw-Hill My Math Grade 1 Answer Key Chapter 1 Lesson 2 Model Addition
Explore and Explain
Teacher Directions: Use to model. 2 girls bought tents from a store. 1 boy bought a tent from the same store. How many people bought tents in all? Write the numbers. Trace your counters to show the number of people who bought tents.
See and Show
To find the whole, you the parts.
Explanation:
The sum of 1 and 4 makes the whole 5
1 + 4 = 5
Use Work Mat 3 and to add.
Question 1.
Answer:
Explanation:
The sum of 2 and 1 makes the whole 3
2 + 1 = 3
Question 2.
Answer:
Explanation:
The sum of 5 and 3 makes the whole 8
5 + 3 = 8
Question 3.
Answer:
Explanation:
The sum of 4 and 3 makes the whole 7
4 + 3 = 7
Question 4.
Answer:
Explanation:
The sum of 2 and 4 makes the whole 6
2 + 4 = 6
Talk Math How do you use to add 7 and 1?
On My Own
Use Work Mat 3 and to add.
Question 5.
Answer:
Explanation:
The sum of 3 and 2 makes the whole 5
3 + 2 = 5
Question 6.
Answer:
Explanation:
The sum of 4 and 5 makes the whole 9
4 + 5 = 9
Question 7.
Answer:
Explanation:
The sum of 6 and 2 makes the whole 8
4 + 2 = 8
Question 8.
Answer:
Explanation:
The sum of 5 and 2 makes the whole 7
5 + 2 = 7
Question 9.
Answer:
Explanation:
The sum of 1 and 3 makes the whole 4
1 + 3 = 4
Question 10.
Answer:
Explanation:
The sum of 4 and 2 makes the whole 6
4 + 2 = 6
Question 11.
Answer:
Explanation:
The sum of 1 and 2 makes the whole 3
1 + 2 = 3
Question 12.
Answer:
Explanation:
The sum of 3 and 3 makes the whole 6
3 + 3 = 6
Problem Solving
Use Work Mat 3 and if needed.
Question 13.
Cristian saw 6 deer in a field. Camila saw 2 deer in the forest. How many deer did they see in all?
___ deer
Answer:
8 deer
Explanation:
Cristian saw 6 deer in a field.
Camila saw 2 deer in the forest.
6 + 2 = 8
8 deer that they see in all
Question 14.
Erin picks 6 flowers. Cliff picks 3 flowers. He gives them to Erin. How many flowers does Erin have now?
____ flowers
Answer:
9 flowers
Explanation:
Erin picks 6 flowers. Cliff picks 3 flowers.
He gives them to Erin.
6 + 3 = 9
9 flowers that Erin have now
Write Math How do you find the whole? Explain.
____________________________
____________________________
____________________________
____________________________
Explanation:
By adding the parts we make a whole.
That is sum.
McGraw Hill My Math Grade 1 Chapter 1 Lesson 2 My Homework Answer Key
Use pennies to add. Write the number.
Question 1.
Answer:
Explanation:
The sum of 8 and 1 makes the whole 9
8 + 1 = 9
Question 2.
Answer:
Explanation:
The sum of 5 and 2 is 7
5 + 2 = 7
Question 3.
Answer:
Explanation:
The sum of 2 and 3 makes the whole 5
2 + 3 = 5
Question 4.
Answer:
Explanation:
The sum of 3 and 5 makes the whole 8
3 + 5 = 8
Use pennies to add. Write the number.
Question 5.
Answer:
Explanation:
The sum of 1 and 4 makes the whole 5
1 + 4 = 5
Question 6.
Answer:
Explanation:
The sum of 5 and 1 makes the whole 6
5 + 1 = 6
Question 7.
Stacie caught 4 fish in the morning. She caught 3 more fish in the afternoon. How many fish did Stacie catch in all?
___ fish
Answer:
Explanation:
Stacie caught 4 fish in the morning.
She caught 3 more fish in the afternoon.
4 + 3 = 7
7 fish that Stacie catch in all?
Vocabulary Check
Complete the sentence.
in all part
Question 8.
You can add the numbers from each ____ to find the whole.
Answer:
You can add the numbers from each part to find the whole.
Parts are added to make a whole.
Math at Home Place 2 red paper circles and 4 yellow paper circles on a table. Have your child count the circles. Ask your child to identify all of the different ways to make 6.