All the solutions provided in McGraw Hill My Math Grade 1 Answer Key PDF Chapter 1 Lesson 12 Find Missing Parts of 10 will give you a clear idea of the concepts.
McGraw-Hill My Math Grade 1 Answer Key Chapter 1 Lesson 12 Find Missing Parts of 10
Explore and Explain
Explanation:
Explanation:
The sum of 8 and 2 is 10.
8 + 2 = 10
Teacher Directions: Use 
to model. There are 10 frogs in all. 8 of the frogs are in the pond. The rest are in the grass. How many frogs are in the grass? Write the missing part.
See and Show
The whole is 10. One part is 3. What is the other part?
3 + 7 = 10
Explanation:
The sum of 3 and 7 is 10.
Use Work Mat 3 and 
. Find the missing part of 10. Write the number.
Question 1.
Answer:
Explanation:
The sum of 4 and 6 is 10
4 + 6 = 10
Question 2.
Answer:
Explanation:
The sum of 5 and 5 is 10
5 + 5 = 10
Talk Math You know one of the parts and the whole, how do you find the other part?
On My Own
Use Work Mat 3 and . Find the missing part of 10. Write the number.
Question 3.
Answer:
Explanation:
The sum of 7 and 3 is 10
7 + 3 = 10
Question 4.
Answer:
Explanation:
The sum of 5 and 5 is 10
5 + 5 = 10
Question 5.
Answer:
Explanation:
The sum of 2 and 8 is 10
2 + 8 = 10
Question 6.
Answer:
Explanation:
The sum of 1 and 9 is 10
1 + 9 = 10
Question 7.
Answer:
Explanation:
The sum of 3 and 7 is 10.
3 + 7 = 10
Question 8.
Answer:
Explanation:
The sum of 4 and 6 is 10
4 + 6 = 10
Problem Solving
Question 9.
There are 10 apples. 3 of the apples are green. The rest of the apples are red. How many apples are red?
_____ apples
Answer:
7 apples
Explanation:
There are 10 apples.
3 of the apples are green.
10 – 3 = 7
7 + 3 = 10
Question 10.
Javier has 10 leaves. 2 of the leaves are orange. The rest are yellow. How many yellow leaves does he have?
_____ leaves
Answer:
8 leaves
Explanation:
Javier has 10 leaves.
2 of the leaves are orange.
2 + 8 = 10
8 leaves are yellow.
HOT Problem Angelo wrote the missing part. Tell why Angelo is wrong. Make it right.
_____________________________
_____________________________
_____________________________
_____________________________
Explanation:
3 + 7 = 10
The sum of 2 and 7 is 9
so, the Angelo was wrong.
McGraw Hill My Math Grade 1 Chapter 1 Lesson 12 My Homework Answer Key
Practice
Find the missing part of 10. Write the number.
Question 1.
Answer:
Explanation:
The sum of 3 and 7 is 10
3 + 7 = 10
Question 2.
Answer:
Explanation:
The sum of 5 and 5 is 10
5 + 5 = 10
Find the missing part of 10. Write the number.
Question 3.
Answer:
Explanation:
The sum of 6 and 4 is 10
6 + 4 = 10
Question 4.
Answer:
Explanation:
The sum of 9 and 1 is 10.
9 + 1 = 10
Question 5.
Amaya sees 10 bugs on a log. 8 of them are black. The rest of the bugs are red. How many bugs are red?
____ bugs
Answer:
2 bugs
Explanation:
Amaya sees 10 bugs on a log.
8 of them are black.
8 + 2 = 10
so, 2 bugs are red
Test Practice
Question 6.
Carter sees 10 eagles. 5 of the eagles are flying. The rest of the eagles are in their nest. How many eagles are in their nest?
(A) 15 eagles
(B) 9 eagles
(C) 10 eagles
(D) 5 eagles
Answer:
D
Explanation:
Carter sees 10 eagles.
5 of the eagles are flying.
5 + 5 = 10
so, 5 eagles are in the nest.
Math at Home Create number cards with the numbers 0 to 10 on them. Show one number card. Have your child find the other number card that shows the number needed to make 10.