All the solutions provided in McGraw Hill My Math Grade 1 Answer Key PDF Chapter 2 Lesson 5 Vertical Subtraction will give you a clear idea of the concepts.
McGraw-Hill My Math Grade 1 Answer Key Chapter 2 Lesson 5 Vertical Subtraction
Explore and Explain
Answer:
Explanation:
I used 
to model he problem
4 bugs landed on each leaf. Then 3 bugs flew away from each of the leaves
I drew 4 counters and marked X on 3 counters, 1 is left
4 – 3 = 1
So, 1 bug is left on each leaf.
Teacher Directions: Use to model. 4 bugs landed on each leaf. Then 3 bugs flew away from each of the leaves. How many bugs are left on each leaf? Trace the counters you used. Draw Xs on the counters to show the bugs that flew away. Write the subtraction number sentences.
See and Show
You can subtract across or you can subtract down. When the same numbers are used, the answer is the same.
Answer:
Explanation:
7 – 3 = 4
So, i traced the number 4.
Helpful Hint
You can write subtraction number sentences two ways.
Subtract.
Question 1.
6 – 1 = ____
Answer:
5
Explanation:
The difference of 6 and 1 is 5
So, the subtraction number sentence is 6 – 1 = 5.
Question 2.
5 – 1 = ____
Answer:
4
Explanation:
The difference of 5 and 1 is 4
So, the subtraction number sentence is 5 – 1 = 4.
Question 3.
9 – 3 = ____
Answer:
6
Explanation:
The difference of 9 and 3 is 6
So, the subtraction number sentence is 9 – 3 = 6.
Question 4.
8 – 3 = ____
Answer:
5
Explanation:
The difference of 8 and 3 is 5
So, the subtraction number sentence is 8 – 3 = 5.
Talk Math How is subtracting down like subtracting across?
Answer:
In both the ways the numbers are same and the difference is same.
On My Own
Subtract.
Question 5.
Answer:
Explanation:
The difference of 9 and 2 is 7
So, the subtraction number sentence is 9 – 2 = 7.
Question 6.
8 – 2 = ____
Answer:
6
Explanation:
The difference of 8 and 2 is 6
So, the subtraction number sentence is 8 – 1 = 6.
Question 7.
Answer:
Explanation:
The difference of 4 and 2 is 2
So, the subtraction number sentence is 4 – 2 = 2.
Question 8.
6 – 2 = ____
Answer:
4
Explanation:
The difference of 6 and 2 is 4
So, the subtraction number sentence is 6 – 2 = 4.
Question 9.
7 – 5 = ____
Answer:
2
Explanation:
The difference of 7 and 5 is 2
So, the subtraction number sentence is 7 – 5 = 2.
Question 10.
Answer:
Explanation:
The difference of 8 and 6 is 2
So, the subtraction number sentence is 8 – 6 = 2.
Question 11.
5 – 4 = ___
Answer:
1
Explanation:
The difference of 5 and 4 is 1
So, the subtraction number sentence is 5 – 4 = 1.
Question 12.
8 – 5 = ____
Answer:
3
Explanation:
The difference of 8 and 5 is 3
So, the subtraction number sentence is 8 – 5 = 3.
Question 13.
Answer:
Explanation:
The difference of 9 and 1 is 8
So, the subtraction number sentence is 9 – 1 = 8.
Question 14.
Answer:
Explanation:
The difference of 6 and 6 is 0
So, the subtraction number sentence is 6 – 6 = 0.
Problem Solving
Write a subtraction number sentence.
Question 15.
There are 8 zebras eating grass. 2 zebras stop eating. How many zebras are still eating grass?
_____ – ____ = ____ zebras
Answer:
8 – 2 = 6 zebras
Explanation:
There are 8 zebras eating grass
2 zebras stop eating
The difference of 8 and 2 is 6
So, the subtraction number sentence is 8 – 2 = 6.
Question 16.
There are 9 leopards in a field. 2 leopards leave. How many leopards are still in the field?
Answer:
Explanation:
There are 9 leopards in a field
2 leopards leave
The difference of 9 and 2 is 7
So, the subtraction number sentence is 9 – 2 = 7.
Write Math How is subtracting down different from subtracting across?
______________________________
______________________________
______________________________
______________________________
Answer:
In both the ways the numbers are same but the order of the numbers may be different.
McGraw Hill My Math Grade 1 Chapter 2 Lesson 5 My Homework Answer Key
Practice
Subtract.
Question 1.
6 – 2 = ____
Answer:
4
Explanation:
The difference of 6 and 2 is 4
So, the subtraction number sentence is 6 – 2 = 4.
Question 2.
Answer:
Explanation:
The difference of 8 and 6 is 2
So, the subtraction number sentence is 6 – 6 = 0.
Question 3.
Answer:
Explanation:
The difference of 4 and 2 is 2
So, the subtraction number sentence is 4 – 2 = 2.
Question 4.
9 – 4 = ____
Answer:
5
Explanation:
The difference of 9 and 4 is 4
So, the subtraction number sentence is 9 – 4 = 5.
Subtract.
Question 1.
3 – 1 = ____
Answer:
2
Explanation:
The difference of 3 and 1 is 2
So, the subtraction number sentence is 3 – 1 = 2.
Question 2.
9 – 6 = ____
Answer:
3
Explanation:
The difference of 9 and 6 is 3
So, the subtraction number sentence is 9 – 6 = 3.
Question 3.
Answer:
Explanation:
The difference of 7 and 2 is 5
So, the subtraction number sentence is 7 – 2 = 5.
Question 4.
Answer:
Explanation:
The difference of 8 and 1 is 7
So, the subtraction number sentence is 8 – 1 = 7.
Question 5.
Answer:
Explanation:
The difference of 2 and 2 is 0
So, the subtraction number sentence is 2 – 2 = 0.
Question 10.
There are 7 mangos growing on a tree. Diego picks 3 of the mangos. How many mangos are still on the tree?
Answer:
Explanation:
There are 7 mangos growing on a tree
Diego picks 3 of the mangos
The difference of 7 and 3 is 4
So, the subtraction number sentence is 7 – 3 = 4
4 mangoes are still on the tree.
Test Practice
Question 11.
Which number sentence is shown?
(A) 5 – 3 = 2
(B) 8 – 3 = 5
(C) 3 – 3 = 0
(D) 3 + 5 = 8
Answer:
(B) 8 – 3 = 5
Explanation:
The difference of 8 and 3 is 5
So, the subtraction number sentence is 8 – 3 = 5.
Math at Home Use 9 small objects. Show subtraction by taking some objects away. Have your child write the subtraction number sentence vertically and horizontally.