All the solutions provided in McGraw Hill My Math Grade 1 Answer Key PDF Chapter 2 Lesson 11 Subtract from 9 will give you a clear idea of the concepts.
McGraw-Hill My Math Grade 1 Answer Key Chapter 2 Lesson 11 Subtract from 9
Explore and Explain
Answer:
Teacher Directions: Use to model. There are 9 bugs on a flower. 2 of the bugs fly away. How many bugs are left? Trace your cubes and mark Xs on the bugs that fly away. Write the subtraction number sentence.
See and Show
There are many ways to subtract from 9.
Subtract 3 from 9.
9 – 3 = 6
The difference is 6
Subtract 5 from 9
9 – 5 = 4
The difference is 4
Start with 9 Subtract some cubes. Write different ways to subtract from 9.
Subtract from 9
Question 1.
9 – ____ = _____
Answer:
Explanation:
I started with 9
Subtracted 1 cube
Crossed out 1
So, the difference of 9 and 1 is 8.
Question 2.
9 – ____ = _____
Answer:
Explanation:
I started with 9
Subtracted 2 cubes
Crossed out 2
So, the difference of 9 and 2 is 7.
Question 3.
9 – ____ = _____
Answer:
Explanation:
I started with 9
Subtracted 3 cubes
Crossed out 3
So, the difference of 9 and 3 is 6.
Question4.
9 – ____ = _____
Answer:
Explanation:
I started with 9
Subtracted 4 cubes
Crossed out 4
So, the difference of 9 and 4 is 5.
Question 5.
9 – ____ = _____
Answer:
Explanation:
I started with 9
Subtracted 5 cubes
Crossed out 5
So, the difference of 9 and 5 is 4.
Question 6.
9 – ____ = _____
Answer:
Explanation:
I started with 9
Subtracted 6 cubes
Crossed out 6
So, the difference of 9 and 6 is 3.
Question 7.
9 – ____ = _____
Answer:
Explanation:
I started with 9
Subtracted 7 cubes
Crossed out 7
So, the difference of 9 and 7 is 2.
Question 8.
9 – ____ = _____
Answer:
Explanation:
I started with 9
Subtracted 8 cubes
Crossed out 8
So, the difference of 9 and 8 is 1.
Talk Math How do you know when to subtract?
On My Own
Use Work Mat 3 and Subtract.
Question 9.
7 – 5 = ____
Answer:
Explanation:
I started with 7
Subtracted 5 cubes
Crossed out 5
So, the difference of 7 and 5 is 2.
Question 10.
9 – 3 = ____
Answer:
Explanation:
I started with 9
Subtracted 3 cubes
Crossed out 3
So, the difference of 9 and 3 is 6.
Question 11.
9 – 2 = ____
Answer:
Explanation:
I started with 9
Subtracted 2 cubes
Crossed out 2
So, the difference of 9 and 2 is 7.
Question 12.
5 – 3 = ____
Answer:
Question 13.
9 – 0 = ____
Answer:
Explanation:
I started with 9
Subtracted 0 cubes
Crossed out 0
So, the difference of 9 and 0 is 9.
Question 14.
9 – 4 = ____
Answer:
Explanation:
I started with 9
Subtracted 4 cubes
Crossed out 4
So, the difference of 9 and 4 is 5.
Question 15.
6 – 2 = ____
Answer:
Explanation:
I started with 6
Subtracted 2 cubes
Crossed out 2
So, the difference of 6 and 2 is 4.
Question 16.
9 – 4 = ____
Answer:
Explanation:
I started with 9
Subtracted 4 cubes
Crossed out 4
So, the difference of 9 and 4 is 5.
Question 17.
9 – 8 = ____
Answer:
Explanation:
I started with 9
Subtracted 8 cubes
Crossed out 8
So, the difference of 9 and 8 is 1.
Question 18.
7 – 7 = ____
Answer:
Explanation:
I started with 7
Subtracted 7 cubes
Crossed out 7
So, the difference of 7 and 7 is 0.
Question 19.
Answer:
Explanation:
The difference of 7 and 0 is 7
So, 7 – 0 = 7.
Question 20.
Answer:
Explanation:
The difference of 9 and 6 is 3
So, 9 – 6 = 3.
Question 21.
Answer:
Explanation:
The difference of 9 and 9 is 0
So, 9 – 9 = 0.
Question 22.
Answer:
Explanation:
The difference of 9 and 7 is 2
So, 9 – 7 = 2.
Question 23.
Answer:
Explanation:
The difference of 9 and 1 is 8
So, 9 – 1 = 8.
Question 24.
Answer:
Explanation:
The difference of 9 and 2 is 7
So, 9 – 2 = 7.
Problem Solving
Solve. Use Work Mat 3 and if needed.
Question 25.
Andre had 9 hats. He lost 5 of them. How many hats does Andre have left?
_____ hats
Answer:
4 hats
Explanation:
Andre had 9 hats
He lost 5 of them
I started with 9
Subtracted 5 cubes
Crossed out 5
The difference of 9 and 5 is 4
So, 4 hats are left.
Question 26.
7 ladybugs are climbing on a fence. 3 ladybugs fly away. How many ladybugs are left?
_____ lady bugs
Answer:
4 lady bugs
Explanation:
7 ladybugs are climbing on a fence
3 ladybugs fly away
I started with 7
Subtracted 3 cubes
Crossed out 3
The difference of 7 and 3 is 4
So, 4 lady bugs are left.
Write Math Why is the answer to a subtraction problem called the difference?
______________________________________
______________________________________
______________________________________
______________________________________
Answer:
The answer to a subtraction problem is called the difference because it is the difference between the two number in the problem. For example 10–3=7 seven is the difference between ten and three
McGraw Hill My Math Grade 1 Chapter 2 Lesson 11 My Homework Answer Key
Practice
Write different ways to subtract from 9.
Question 1.
9 – ____ = ____
Answer:
Explanation:
I started with 9
Subtracted 1 cube
Crossed out 1
So, the difference of 9 and 1 is 8.
Question 2.
9 – ____ = ____
Answer:
Explanation:
I started with 9
Subtracted 2 cubes
Crossed out 2
So, the difference of 9 and 2 is 7.
Question 3.
9 – ____ = ____
Answer:
Explanation:
I started with 9
Subtracted 3 cubes
Crossed out 3
So, the difference of 9 and 3 is 6.
Question 4.
9 – ____ = ____
Answer:
Explanation:
I started with 9
Subtracted 4 cubes
Crossed out 4
So, the difference of 9 and 4 is 5.
Question 5.
9 – ____ = ____
Answer:
Explanation:
I started with 9
Subtracted 5 cubes
Crossed out 5
So, the difference of 9 and 5 is 4.
Question 6.
9 – ____ = ____
Answer:
Explanation:
I started with 9
Subtracted 6 cubes
Crossed out 6
So, the difference of 9 and 6 is 3.
Question 7.
9 – ____ = ____
Answer:
Explanation:
I started with 9
Subtracted 7 cubes
Crossed out 7
So, the difference of 9 and 7 is 2.
Question 8.
9 – ____ = ____
Answer:
Explanation:
I started with 9
Subtracted 9 cubes
Crossed out 9
So, the difference of 9 and 9 is 0.
Subtract.
Question 9.
9 – 3 = ____
Answer:
Explanation:
I started with 9
Subtracted 3 cubes
Crossed out 3
So, the difference of 9 and 3 is 6.
Question 10.
9 – 4 = _____
Answer:
Explanation:
I started with 9
Subtracted 4 cubes
Crossed out 4
So, the difference of 9 and 4 is 5.
Subtract.
Question 11.
9 – 2 = ____
Answer:
Explanation:
I started with 9
Subtracted 2 cubes
Crossed out 2
So, the difference of 9 and 2 is 7.
Question 12.
9 – 6 = ____
Answer:
Explanation:
I started with 9
Subtracted 6 cubes
Crossed out 6
So, the difference of 9 and 6 is 3.
Question 13.
7 – 3 = ____
Answer:
Explanation:
I started with 7
Subtracted 3 cubes
Crossed out 3
So, the difference of 7 and 3 is 4.
Question 14.
9 – 5 = ____
Answer:
Explanation:
I started with 9
Subtracted 5 cubes
Crossed out 5
So, the difference of 9 and 5 is 4.
Question 15.
Answer:
Explanation:
The difference of 9 and 9 is 0
So, 9 – 9 = 0.
Question 16.
Answer:
Explanation:
The difference of 5 and 2 is 3
So, 5 – 2 = 3
Question 17.
Answer:
Explanation:
The difference of 9 and 0 is 9
So, 9 – 0 = 9.
Question 18.
There are 9 frogs on a lily pad. 7 of the frogs hop in the water. How many frogs are left on the lily pad?
____ frogs
Answer:
2 frogs
Explanation:
There are 9 frogs on a lily pad
7 of the frogs hop in the water
I started with 9
Subtracted 7 cubes
Crossed out 7
The difference of 9 and 7 is 2
So, 2 frogs are left in the lily pad.
Test Practice
Question 19.
9 – 1 = _____
(A) 6
(B) 7
(C) 8
(D) 9
Answer:
(C) 8
Explanation:
I started with 9
Subtracted 1 cubes
Crossed out 1
So, the difference of 9 and 1 is 8.
Math at Home Collect a group of 9 objects. Have your child show you all of the numbers they can subtract from 9. Have him or her write a subtraction number sentence.