All the solutions provided in McGraw Hill My Math Grade 2 Answer Key PDF Chapter 6 Add Three-Digit Numbers will give you a clear idea of the concepts.

Essential Question?
How can I add three-digit numbers
A three-digit number can be added by placing it in a column according to the place value and then we will add the numbers.

Question 1.

9+8 = 17.

Explanation:
The addition of 9 and 8 is 17.

Question 2.

8 + 5 = 13.

Explanation:
The addition of 8 and 5 is 13.

Question 3.

40 + 30 = 70.

Explanation:
The addition of 40 and 30 is 70.

Question 4.

56 + 28 = 84.

Explanation:
The addition of 56 and 28 is 84.

Question 5.

8 + 8 = 16.

Explanation:
The addition of 8 and 8 is 16.

Question 6.

14 + 5 = 19.

Explanation:
The addition of 14 and 5 is 19.

Question 7.

60 + 30 = 90.

Explanation:
The addition of 60 and 30 is 90.

Question 8.

83 + 12 = 95.

Explanation:
The addition of 83 and 12 is 95.

Question 9.

27 + 18 = 45.

Explanation:
The addition of 27 and 18 is 45.

Question 10.
Destiny eats 21 peanuts on Friday. She eats 29 peanuts on Saturday. How many peanuts did she eat in all?

______ peanuts
Destiny eats 50 peanuts.

Explanation:
Given that Destiny eats 21 peanuts on Friday and she eats 29 peanuts on Saturday. So the number of peanuts did she eat in all is 21+29 which is 50 peanuts.

My Math Words

Review Vocabulary

ones regroup sum tens

Use the review words to tell what the example shows about the word problem.

Explanation:
Here, regrouping of addition has been done for the word problem. By adding 9 and 6, we will get 15 and 1 is carried forward to the next digit. So the addition of 29 and 16 is 45.

My Vocabulary Cards

Directions:

Ideas for Use

• Have students use the blank cards to write words from previous chapters that they would like to review.
• Ask students to use the blank cards to write their own vocabulary cards.

My Foldables

Foldables
Study Organizer

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