McGraw Hill Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding in Any Order

by

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 2 Lesson 1 Adding in Any Order existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 2 Lesson 1 Adding in Any Order

Solve

Add. Write the sum.

Question 1.
17 + 2 = 19
2 + 17 = ____
Answer:
17 + 2 = 19
2 + 17 = 19

Explanation:
The numbers that we add are called addends
The order of the addends does not matter
The sum does not change
So, 17 + 2 = 2 + 17.

Question 2.
8 + 1 = ___
1 + 8 = ____
Answer:
8 + 1 = 9
1 + 8 = 9

Explanation:
The numbers that we add are called addends
The order of the addends does not matter
The sum does not change
So, 8 + 1 = 1 + 8.

Question 3.
12 + 5 = ___
5 + 12 = ____
Answer:
12 + 5 = 17
5 + 12 = 17

Explanation:
The numbers that we add are called addends
The order of the addends does not matter
The sum does not change
So, 12 + 5 = 5 + 12.

Question 4.
3 + 5 = ___
5 + 3 = ___
Answer:
3 + 5 = 8
5 + 3 = 8

Explanation:
The numbers that we add are called addends
The order of the addends does not matter
The sum does not change
So, 3 + 5 = 5+3.

Question 5.
McGraw Hill Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding in Any Order 1
Answer:
McGraw Hill Math Grade 3 Chapter 2 Lesson 1 Answer Key img 1

Explanation:
The order of the addends does not matter
The sum does not change
So, 10 + 5 = 5 + 10.

Question 6.
McGraw Hill Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding in Any Order 2
Answer:
McGraw Hill Math Grade 3 Chapter 2 Lesson 1 Answer Key img 2

Explanation:
The order of the addends does not matter
The sum does not change
So, 7 + 1 = 1 + 7.

Question 7.
McGraw Hill Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding in Any Order 3
Answer:
McGraw Hill Math Grade 3 Chapter 2 Lesson 1 Answer Key img 3

Explanation:
The order of the addends does not matter
The sum does not change
So, 3 + 13 = 13 + 3.

Write the missing number.

Question 8.
12 + 3 = 3 + ___
Answer:
12 + 3 = 3 +12

Explanation:
The order of the addends does not matter
The sum does not change
The missing number is 12
So, 12 + 3 = 3 + 12.

Question 9.
___ + 6 = 6 + 13
Answer:
13 + 6  = 6 +13

Explanation:
The order of the addends does not matter
The sum does not change
The missing number is 13
So, 13 + 6 = 6 +13.

Question 10.
1 + ___ = 8 + 1
Answer:
1 + 8 = 8 + 1

Explanation:
The order of the addends does not matter
The sum does not change
The missing number is 8
So, 1 + 8 = 8 + 1.

Question 11.
Chen and Alex see 1 cat and 3 dogs. They count to see how many animals in all. Chen counts the dogs first and then the cat. Alex counts the cat first and then the dogs. Are the sums different? Explain.
Answer:
No, both the sums are same

Explanation:
Chen and Alex see 1 cat and 3 dogs
They count to see how many animals in all
Chen counts the dogs first and then the cat
That is 3 + 1 = 4
Alex counts the cat first and then the dogs.
That is 1 + 3 = 4
The order of the addends is different but the sum is same
So, Both the sums are same.

Leave a Comment