All the solutions provided in McGraw Hill My Math Grade 2 Answer Key PDF Chapter 7 Lesson 2 Subtract Hundreds will give you a clear idea of the concepts.
McGraw-Hill My Math Grade 2 Answer Key Chapter 7 Lesson 2 Subtract Hundreds
Explore and Explain
____________ steps
Teacher Directions: There are 400 steps in my school. My class decided to walk up all of the steps. We have walked up 300 steps already. How many steps do we have left? Use base-ten blocks. Draw the blocks. Write how many steps are left.
Answer:
100 steps are left to walk.
Explanation:
Given,
There are 400 steps in school.
Walked 300 steps already.
400 – 300 = 100 steps.
See and Show
You can use basic subtraction facts to help subtract hundreds.
Helpful Hint
You know 5 – 3 = 2
So, 500 – 300 = 200.
Find 500 – 300.
Subtract.
Question 1.
800 – 100 = _____________
Answer:
700
Explanation:
The minuend is 800 and subtrahend is 100. The difference between them is 700 which is 800 – 100 = 700.
Question 2.
200 – 200 = _____________
Answer:
0
Explanation:
The minuend is 200 and subtrahend is 200. The difference between them is 200 which is 200 – 200 = 0.
Question 3.
Answer:
600
Explanation:
The minuend is 700 and subtrahend is 100. The difference between them is 600 which is 700 – 100 = 600.
Question 4.
Answer:
200
Explanation:
The minuend is 400 and subtrahend is 200. The difference between them is 200 which is 400 – 200 = 200.
Question 5.
Answer:
400
Explanation:
The minuend is 500 and subtrahend is 100. The difference between them is 400 which is 500 – 100 = 400.
Question 6.
Answer:
400
Explanation:
The minuend is 700 and subtrahend is 300. The difference between them is 400 which is 700 – 300 = 400.
Talk Math What subtraction fact can you use to find 900 – 800?
Answer:
We can use basic subtraction facts to help subtract hundreds.
Explanation:
Given,
to find 900 – 800
Now we will use basic subtraction facts to help subtract hundreds.
9 – 8 = 1
900 – 800 = 100
On Your Own
Subtract
Helpful Hint
Use the subtraction facts you know to subtract hundreds.
Question 7.
800 – 300 = ______________
Answer:
500
Explanation:
The minuend is 800 and subtrahend is 300. The difference between them is 500 which is 800 – 300 = 500.
8 – 3 = 5
800 – 300 = 500
Question 8.
600 – 600 = ______________
Answer:
0
Explanation:
The minuend is 600 and subtrahend is 600. The difference between them is 0 which is 600 – 600 = 0.
6 – 6 = 0
600 – 600 = 0
Question 9.
300 – 100 = ______________
Answer:
200
Explanation:
The minuend is 300 and subtrahend is 100. The difference between them is 200 which is 300 – 100 = 200.
3 – 1 = 2
300 – 100 = 200
Question 10.
900 – 200 = ______________
Answer:
700
Explanation:
The minuend is 900 and subtrahend is 200. The difference between them is 700 which is 900 – 200 = 700.
9 – 2 = 7
900 – 200 = 700
Question 11.
800 – 400 = ______________
Answer:
400
Explanation:
The minuend is 800 and subtrahend is 400. The difference between them is 400 which is 800 – 400 = 400.
8 – 4 = 4
800 – 400 = 400
Question 12.
700 – 500 = ______________
Answer:
200
Explanation:
The minuend is 700 and subtrahend is 500. The difference between them is 200 which is 700 – 500 = 200.
7 – 5 = 2
700 – 500 = 200
Question 13.
200 – 200 = ______________
Answer:
0
Explanation:
The minuend is 200 and subtrahend is 200. The difference between them is 0 which is 200 – 200 = 0.
2 – 2 = 0
200 – 200 = 0
Question 14.
400 – 100 = ______________
Answer:
300
Explanation:
The minuend is 400 and subtrahend is 100. The difference between them is 200 which is 400 – 100 = 300.
4 – 1 = 300
400 – 100 = 300
Question 15.
Answer:
300
Explanation:
The minuend is 700 and subtrahend is 400. The difference between them is 300 which is 700 – 400 = 300.
Question 16.
Answer:
600
Explanation:
The minuend is 800 and subtrahend is 200. The difference between them is 600 which is 800 – 200 = 600.
Question 17.
Answer:
0
Explanation:
The minuend is 300 and subtrahend is 300. The difference between them is 0 which is 300 – 300 = 0.
Question 18.
Answer:
100
Explanation:
The minuend is 500 and subtrahend is 400. The difference between them is 100 which is 500 – 400 = 100.
Question 19.
Answer:
200
Explanation:
The minuend is 500 and subtrahend is 300. The difference between them is 200 which is 500 – 300 = 200.
Question 20.
Answer:
100
Explanation:
The minuend is 200 and subtrahend is 100. The difference between them is 100 which is 200 – 100 = 100.
Question 21.
Answer:
400
Explanation:
The minuend is 600 and subtrahend is 400. The difference between them is 400 which is 600 – 400 = 400.
Question 22.
Answer:
200
Explanation:
The minuend is 900 and subtrahend is 700. The difference between them is 200 which is 900 – 700 = 200.
Question 23.
Answer:
500
Explanation:
The minuend is 700 and subtrahend is 200. The difference between them is 200 which is 700 – 200 = 500.
Question 24.
Answer:
100
Explanation:
The minuend is 400 and subtrahend is 300. The difference between them is 100 which is 400 – 300 = 100.
Question 25.
Answer:
800
Explanation:
The minuend is 800 and subtrahend is 0. The difference between them is 800 which is 800 – 0 = 800.
Question 26.
Answer:
0
Explanation:
The minuend is 800 and subtrahend is 800. The difference between them is 0 which is 800 – 800 = 0.
Problem Solving
Question 27.
700 people came to my school’s spring concert. 500 people came to our winter concert. How many more people came to the spring concert?
____________ people
Answer:
200 people.
Explanation:
Given,
700 people came to my school’s spring concert
500 people came to our winter concert.
The difference is 700 – 500 = 200 people.
There are 200 people who came to the spring concert.
Question 28.
My school made flags for Memorial Day. There were 600 flags. 200 students took their flags home. How many flags are left?
_____________ flags
Answer:
400 flags
Explanation:
Given,
There were 600 flags. 200 students took their flags home
Hence there are 400 flags left for Memorial Day.
600 – 200 = 400 flags.
Question 29.
The floor in my classroom has 200 tiles. 100 tiles are blue. The rest of the tiles are white. How many white tiles are there?
_____________ tiles
Answer:
100 white tiles
Explanation:
Given,
The floor in my classroom has 200 tiles.
100 tiles are blue.
200 – 100 = 100 white tiles are there.
Write Math How is subtracting hundreds like subtracting ones?
Answer:
McGraw Hill My Math Grade 2 Chapter 7 Lesson 2 My Homework Answer Key
Practice
Subtract.
Question 1.
700 – 300 = _____________
Answer:
400
Explanation:
Given,
The minuend is 700 and subtrahend is 300. The difference between them is 400 which is 700 – 300 = 400.
Question 2.
500 – 200 = _____________
Answer:
300
Explanation:
The minuend is 500 and subtrahend is 200. The difference between them is 300 which is 500 – 200 = 300.
Question 3.
Answer:
200
Explanation:
The minuend is 300 and subtrahend is 100. The difference between them is 200 which is 300 – 100 = 200.
Question 4.
Answer:
The answer is 0.
Explanation:
The minuend is 100 and subtrahend is 100. The difference between them is 0 which is 100 – 100 = 0.
Question 5.
Answer:
200
Explanation:
The minuend is 300 and subtrahend is 100. The difference between them is 200 which is 300 – 100 = 200.
Question 6.
Answer:
100
Explanation:
The minuend is 800 and subtrahend is 700. The difference between them is 100 which is 800 – 700 = 100.
Question 7.
Answer:
800
Explanation:
The minuend is 900 and subtrahend is 800. The difference between them is 800 which is 900 – 100 = 800.
Question 8.
Answer:
400
Explanation:
The minuend is 500 and subtrahend is 100. The difference between them is 400 which is 500 – 100 = 400.
Question 9.
Answer:
0
Explanation:
The minuend is 400 and subtrahend is 400. The difference between them is 0 which is 400 – 400 = 0.
Question 10.
Answer:
200
Explanation:
The minuend is 400 and subtrahend is 0. The difference between them is 200 which is 400 – 200 = 200.
Solve each word problem.
Question 11.
800 people went to watch the ballet. 200 people left early. How many people stayed at the ballet?
_____________ people
Answer:
600 people
Explanation:
Given,
The total number of people who went to watch the ballet is 800
Left the ballet = 200
800 – 200 = 600
Hence there are 600 people who stayed at the bullet.
Question 12.
500 boys and girls went to the basketball game. 300 girls were at the game. How many boys were at the game?
_____________ boys
Answer:
200 boys
Explanation:
Given,
500 boys and girls went to the basketball game
300 girls were at the game
Total boys and girls are 500
b + g = 500
b + 300 = 500
b = 500 – 300
b = 200
Question 13.
The cafeteria had pizza slices and hot dogs for lunch. 900 lunches were sold. 300 people bought hot dogs. How many pizza slices were sold?
_____________ pizza slices
Answer:
There are 600 pizza slices that were sold.
Explanation:
Given,
The cafeteria had pizza slices and hot dogs for lunch
900 lunches were sold and 300 people bought hot dogs
pizza slices + hot dogs = total lunches
hot dogs = 300
we need to find out How many pizza slices were sold.
pizza slices + 300 = 900
pizza slices = 900 – 300
= 600
Test Practice
Question 14.
Which number sentence could help you solve 700 – 500?
(A) 7 – 2
(B) 2 + 5
(C) 5 + 2
(D) 7 – 5
Answer:
7 – 5
Explanation:
The number sentence could help you solve 700 – 500 is 7 – 5
Math at Home Ask your child what number is 100 less than 500.
Answer:
400
Explanation:
Here we are looking for a new member which is 100 less than 500.
Therefore we will get the new number by subtracting 100 from 500.
hence we will write as 500 – 100 = 400