All the solutions provided in McGraw Hill Math Grade 2 Answer Key PDF Chapter 6 Lesson 6 Add Three-Digit Numbers will give you a clear idea of the concepts.
McGraw-Hill My Math Grade 2 Answer Key Chapter 6 Lesson 6 Add Three-Digit Numbers
Explore and Explain
Teacher Directions: Model using base-ten blocks. On Friday, 347 people went to the movies. On Saturday, 485 people went to the movies. How many people went to the movies on these two days in all? Write the number sentence.
Answer:
The number of people who went to the movies on these two days in all is 832 people.
Explanation:
Given that 347 people went to the movies and on Saturday, 485 people went to the movies. So the number of people who went to the movies on these two days in all is 485+347 which is 832 people.
See and Show
Find 582 + 268.
Step 1 Add the ones, regroup.
Step 2 Add the tens, regroup.
Step 3 Add the hundreds.
So, 582 + 268 = 850
Use Work Mat 7 and base-ten blocks. Add.
Question 1.
Answer:
357 + 454 = 811.
Explanation:
Here, we will add ones digit first and we will do regrouping then we will add tens digit and regroup, and then we will add hundreds digit. By adding 357 and 454 we will get 811.
Question 2.
Answer:
261 + 69 = 330.
Explanation:
Here, we will add ones digit first and we will do regrouping then we will add tens digit and regroup, and then we will add hundreds digit. By adding 261 and 69 we will get 330.
Question 3.
Answer:
118 + 199 = 317.
Explanation:
Here, we will add ones digit first and we will do regrouping then we will add tens digit and regroup, and then we will add hundreds digit. By adding 118 and 199 we will get 317.
Question 4.
Answer:
523 + 287 = 810.
Explanation:
Here, we will add ones digit first and we will do regrouping then we will add tens digit and regroup, and then we will add hundreds digit. By adding 523 and 287 we will get 810.
Talk Math
Explain how you solved Exercise 2.
Answer:
We solved exercise 2 by adding and regrouping the numbers.
On My Own
Add. Use base-ten blocks if needed.
Question 5.
Answer:
166 + 147 = 313.
Explanation:
Here, we will add ones digit first and we will do regrouping then we will add tens digit and regroup, and then we will add hundreds digit. By adding 166 and 147 we will get 313.
Question 6.
Answer:
720 + 195 = 915.
Explanation:
Here, we will add ones digit first and we will do regrouping then we will add tens digit and regroup, and then we will add hundreds digit. By adding 720 and 195 we will get 915.
Question 7.
Answer:
458 + 66 = 524.
Explanation:
Here, we will add ones digit first and we will do regrouping then we will add tens digit and regroup, and then we will add hundreds digit. By adding 458 and 66 we will get 524.
Question 8.
Answer:
34 + 515 = 549.
Explanation:
By adding 34 and 515 we will get 549.
Question 9.
Answer:
632 + 299 = 931.
Explanation:
Here, we will add ones digit first and we will do regrouping then we will add tens digit and regroup, and then we will add hundreds digit. By adding 632 and 299 we will get 931.
Question 10.
Answer:
327 + 127 = 454.
Explanation:
Here, we will add ones digit first and we will do regrouping then we will add tens digit and regroup, and then we will add hundreds digit. By adding 327 and 127 we will get 454.
Question 11.
Answer:
129 + 386 = 515.
Explanation:
Here, we will add ones digit first and we will do regrouping then we will add tens digit and regroup, and then we will add hundreds digit. By adding 129 and 386 we will get 515.
Question 12.
Answer:
103 + 609 = 712.
Explanation:
Here, we will add ones digit first and we will do regrouping then we will add tens digit and regroup, and then we will add hundreds digit. By adding 103 and 609 we will get 712.
Question 13.
Answer:
123 + 785 = 908.
Explanation:
Here, we will add ones digit first and we will do regrouping then we will add tens digit and regroup, and then we will add hundreds digit. By adding 123 and 785 we will get
Question 14.
Answer:
843 + 77 = 920.
Explanation:
Here, we will add ones digit first and we will do regrouping then we will add tens digit and regroup, and then we will add hundreds digit. By adding 843 and 77 we will get 920.
Question 15.
Answer:
422 + 309 = 731.
Explanation:
Here, we will add ones digit first and we will do regrouping then we will add tens digit and regroup, and then we will add hundreds digit. By adding 422 and 309 we will get 731.
Question 16.
Answer:
215 + 193 = 408.
Explanation:
Here, we will add ones digit first and we will do regrouping then we will add tens digit and regroup, and then we will add hundreds digit. By adding 215 and 193 we will get 408.
Question 17.
Answer:
395 + 238 = 633.
Explanation:
Here, we will add ones digit first and we will do regrouping then we will add tens digit and regroup, and then we will add hundreds digit. By adding 395 and 238 we will get 633.
Question 18.
Answer:
725 + 174 = 899.
Explanation:
Here, we will add ones digit first and we will do regrouping then we will add tens digit and regroup, and then we will add hundreds digit. By adding 725 and 174 we will get 899.
Question 19.
Answer:
662 + 199 = 861.
Explanation:
Here, we will add ones digit first and we will do regrouping then we will add tens digit and regroup, and then we will add hundreds digit. By adding 662 and 199 we will get 861.
Question 20.
One day Keith skipped 145 rocks over the river. The next day he skipped 165 rocks. How many rocks did he skip altogether?
____ rocks
Answer:
He skipped altogether in 310 rocks.
Explanation:
Given that Keith skipped 145 rocks over the river and the next day he skipped 165 rocks. So he skipped altogether 145+165 which is 310 rocks.
Question 21.
One karate class has 156 students. The other karate class has 176 students. How many students are in both karate classes?
____ students
Answer:
The number of students in both karate classes is 332 students.
Explanation:
Given that one karate class has 156 students and the other karate class has 176 students. So the number of students in both karate classes is 156+176 = 332 students.
Question 22.
389 people went to the zoo on Saturday. 592 people went to the zoo on Sunday. How many people went to the zoo in all?
____ people
Answer:
The number of people who went to the zoo in all is 981 people.
Explanation:
Given that 389 people went to the zoo on Saturday and 592 people went to the zoo on Sunday. So the number of people who went to the zoo in all is 389+592 which is 981 people.
Write Math Explain how adding three-digit numbers is different than adding two-digit numbers.
Answer:
By adding three-digit numbers the length of the sum will be more than by adding two-digit numbers.
McGraw Hill My Math Grade 2 Chapter 6 Lesson 6 My Homework Answer Key
Practice
Add
Question 1.
Answer:
256 + 456 = 712.
Explanation:
Here, we will add ones digit first and we will do regrouping then we will add tens digit and regroup, and then we will add hundreds digit. By adding 256 and 456 we will get 712.
Question 2.
Answer:
464 + 185 = 649.
Explanation:
Here, we will add ones digit first and we will do regrouping then we will add tens digit and regroup, and then we will add hundreds digit. By adding 464 and 185 we will get 649.
Question 3.
Answer:
359 + 167 = 526.
Explanation:
Here, we will add ones digit first and we will do regrouping then we will add tens digit and regroup, and then we will add hundreds digit. By adding 359 and 167 we will get 526.
Question 4.
Answer:
573 + 363 = 936.
Explanation:
Here, we will add ones digit first and we will do regrouping then we will add tens digit and regroup, and then we will add hundreds digit. By adding 573 and 363 we will get 936.
Question 5.
Answer:
367 + 155 = 522.
Explanation:
Here, we will add ones digit first and we will do regrouping then we will add tens digit and regroup, and then we will add hundreds digit. By adding 367 and 155 we will get 522.
Question 6.
Answer:
477 + 234 = 711.
Explanation:
Here, we will add ones digit first and we will do regrouping then we will add tens digit and regroup, and then we will add hundreds digit. By adding 477 and 234 we will get 711.
Add.
Question 7.
Answer:
285 + 229 =
Explanation:
Here, we will add ones digit first and we will do regrouping then we will add tens digit and regroup, and then we will add hundreds digit. By adding 285 and 229 we will get
Question 8.
Answer:
476 + 345 = 821.
Explanation:
Here, we will add ones digit first and we will do regrouping then we will add tens digit and regroup, and then we will add hundreds digit. By adding 476 and 345 we will get 821.
Question 9.
Answer:
394 + 217 = 611.
Explanation:
Here, we will add ones digit first and we will do regrouping then we will add tens digit and regroup, and then we will add hundreds digit. By adding 394 and 217 we will get 611.
Question 10.
There are 189 animals at one zoo. There are 158 animals at another zoo. How many animals are there at both zoos?
_______ animals
Answer:
The number of animals is there at both zoos is 347 animals.
Explanation:
Given that there are 189 animals at one zoo and there are 158 animals at another zoo. So the number of animals there at both zoos is 189+158 which is 347 animals.
Question 11.
Ella has 199 marbles. Kaitlyn has 137 marbles. How many marbles do the girls have in all?
Answer:
The number of marbles the girls have in all is 336 marbles.
Explanation:
Given that Ella has 199 marbles and Kaitlyn has 137 marbles. So the number of marbles do the girls have in all is 199+137 which is 336 marbles.
Test Practice
Question 12.
Find the sum.
369 + 264 = ____
(A) 633
(B) 533
(C) 433
(D) 133
Answer:
A.
Explanation:
The sum of 369 + 264 is 633.
Math at Home Give your child a three-digit addition problem. Have him or her show you how he or she could solve the problem and then write the answer.
Answer:
362 + 216 = 578.
Explanation:
Let the three-digit numbers be 362 and 216. So by adding 362+216 we will get 578.