# McGraw Hill My Math Grade 1 Chapter 6 Lesson 5 Answer Key Add Tens and Ones with Regrouping

All the solutions provided inÂ McGraw Hill My Math Grade 1 Answer Key PDF Chapter 6 Lesson 5 Add Tens and Ones with Regrouping will give you a clear idea of the concepts.

## McGraw-Hill My Math Grade 1 Answer Key Chapter 6 Lesson 5 Add Tens and Ones with Regrouping

Explore and Explain

Teacher Directions: Use and to model. Abby sees 19 people flying kites. Later, she sees 3 more people flying kites. How many people are flying kites in all? Trace how many. Draw the rods and units you used.

Explanation:
I drew rods and units to show the sum
Abby sees 19 people flying kites
Later, she sees 3 more people flying kites
Count ones
Circle 10 ones
Regroup 10 ones as 1 ten
Move the ones to tens column
2 tensÂ  2 ones = 22
So, 19 + 3 = 22
Therefore, 22 people are flying kites in all.

See and Show

Find 13 + 8.
Step 1:
Count the ones

Step 2:
Circle 10 ones

Step 3:
Regroup 10 ones as 1 ten.

Question 1.
15 + 5 = ____________

Explanation:
Count ones
Circle 10 ones
Regroup 10 ones as 1 ten
Move the ones to tens column
2 tensÂ  0 ones = 20
So, 15 + 5 = 20.

Question 2.
19 + 4 = ______________

Explanation:
Count ones
Circle 10 ones
Regroup 10 ones as 1 ten
Move the ones to tens column
2 tensÂ  3 ones = 23
So, 19 + 4 = 23.

Talk Math Do you always regroup when adding? Explain.
Addition with regrouping is done when the sum of the addends exceeds 9 in any of the columns. The columns refer to the place value columns of ones, tens, hundreds.

On My Own

Question 3.
13 + 8 = ______________

Explanation:
Count ones
Circle 10 ones
Regroup 10 ones as 1 ten
Move the ones to tens column
2 tensÂ  1 ones = 21
So, 13 + 8 = 21.

Question 4.
18 + 7 = _____________

Explanation:
Count ones
Circle 10 ones
Regroup 10 ones as 1 ten
Move the ones to tens column
2 tensÂ  5 ones = 25
So, 18 + 7 = 25.

Question 5.
19 + 7 = _______________

Explanation:
Count ones
Circle 10 ones
Regroup 10 ones as 1 ten
Move the ones to tens column
2 tensÂ  6 ones = 26
So, 19 + 7 = 26.

Question 6.
16 + 5 = ______________

Explanation:
Count ones
Circle 10 ones
Regroup 10 ones as 1 ten
Move the ones to tens column
2 tensÂ  5 ones = 21
So, 16 + 5 = 21.

Question 7.
18 + 9 = _____________

Explanation:
Count ones
Circle 10 ones
Regroup 10 ones as 1 ten
Move the ones to tens column
2 tensÂ  7 ones = 27
So, 18 + 9 = 27.

Question 8.
12 + 8 = ______________

Explanation:
Count ones
Circle 10 ones
Regroup 10 ones as 1 ten
Move the ones to tens column
2 tensÂ  0 ones = 20
So, 12 + 8 = 20.

Question 9.
17 + 7 = ______________

Explanation:
Count ones
Circle 10 ones
Regroup 10 ones as 1 ten
Move the ones to tens column
2 tensÂ  4 ones = 24
So, 17 + 7 = 24.

Question 10.
19 + 9 = _____________

Explanation:
Count ones
Circle 10 ones
Regroup 10 ones as 1 ten
Move the ones to tens column
2 tensÂ  8 ones = 28
So, 19 + 9 = 28.

Question 11.
16 + 7 = _____________

Explanation:
Count ones
Circle 10 ones
Regroup 10 ones as 1 ten
Move the ones to tens column
2 tensÂ  3 ones = 23
So, 16 + 7 = 23.

Problem Solving

Question 12.
Mrs. Brownâ€™s class went to the zoo. 16 students saw the lions. 8 other students saw the monkeys. How many students went to the zoo in all?

___________ students
24 students

Explanation:
Mrs. Brownâ€™s class went to the zoo
16 students saw the lions
8 other students saw the monkeys
Count ones
Circle 10 ones
Regroup 10 ones as 1 ten
Move the ones to tens column
2 tensÂ  4 ones = 24
So, 16 + 8 = 24
Therefore, 24 students went to zoo in all.

Question 13.
Sean has 14 video games. He is given 9 more video games. How many video games does Sean have in all?
____________ video games
23 video games

Explanation:
Sean has 14 video games
He is given 9 more video games
Count ones
Circle 10 ones
Regroup 10 ones as 1 ten
Move the ones to tens column
2 tensÂ  3 ones = 23
So, 14 + 9 = 23
Therefore, Sean have 23 video games in all.

Write Math When do you need to regroup? Explain.
Regrouping refers to the process of re-arranging numbers to form groups of 10 when adding or subtracting two digit (or larger) numbers.

### McGraw Hill My Math Grade 1 Chapter 6 Lesson 5 My Homework Answer Key

Practice

Question 1.
19 + 7 = ______________

Explanation:
Count ones
Circle 10 ones
Regroup 10 ones as 1 ten
Move the ones to tens column
2 tensÂ  6 ones = 26
So, 19 + 7 = 26.

Question 2.
15 + 8 = ______________

Explanation:
Count ones
Circle 10 ones
Regroup 10 ones as 1 ten
Move the ones to tens column
2 tensÂ  3 ones = 23
So, 15 + 8 = 23.

Question 3.
14 + 9 = ______________

Explanation:
Count ones
Circle 10 ones
Regroup 10 ones as 1 ten
Move the ones to tens column
2 tensÂ  3 ones = 23
So, 14 + 9 = 23.

Question 4.
19 + 5 = _____________

Explanation:
Count ones
Circle 10 ones
Regroup 10 ones as 1 ten
Move the ones to tens column
2 tensÂ  4 ones = 24
So, 19 + 5 = 24.

Question 5.
13 + 7 = ______________

Explanation:
Count ones
Circle 10 ones
Regroup 10 ones as 1 ten
Move the ones to tens column
2 tensÂ  0 ones = 20
So, 13 + 7 = 20.

Question 6.
16 + 6 = _______________

Explanation:
Count ones
Circle 10 ones
Regroup 10 ones as 1 ten
Move the ones to tens column
2 tensÂ  2 ones = 22
So, 16 + 6 = 22.

Question 7.
There are 16 children in a ballet class. 5 more children join. How many children are in the class now?
______________ children
21 children

Explanation:
There are 16 children in a ballet class
5 more children join
16 + 5
16 = 1 ten 6 ones
5 = 5 ones
6 ones + 5 ones = 1 ten and 1 one
16 + 5 = 1 tens + 1 ten and 1 ones = 2 tens 1 ones
So, 16+ 5 = 21.

Test Practice

Question 8.
Find 15 + 6.
(A) 21
(B) 20
(C) 19
(D) 15
(A) 21

Explanation:
15 + 6 =
5 + 6 = 11
Regroup 10 ones as 1 ten
So, 15 + 6 = 21.

Math at Home Ask your child to explain how to find 12 + 9.