# McGraw Hill My Math Grade 3 Chapter 4 Check My Progress Answer Key

All the solutions provided in McGraw Hill My Math Grade 3 Answer Key PDF Chapter 4 Check My Progress will give you a clear idea of the concepts.

## McGraw-Hill My Math Grade 3 Chapter 4 Check My Progress Answer Key

Check My Progress Page No. 217-218

Write the letter of the word that matches each definition or example.  Explanation:
I wrote the numbers to match the words in the left to their definition or example in the right.

Concept Check

Algebra Circle equal groups. Find the unknown.

Question 10.
2 groups of 4 = 2 groups of 4 = ____ 2 groups of 4 = 8

Explanation:
2 groups of 4 =
Use repeated
4 + 4 = 8
So, 2 groups f  4 is 8.

Question 11.
4 groups of 5 = 4 groups of 5 = ____ 4 groups of 5 = 20

Explanation:
4 groups of 5
5 + 5 + 5 + 5 = 20
So, 4 groups of 5 = 20.

Question 12.
6 × 2 = ____
___ + ___ + ___ + ___ + ___ + ___ = ____
6 x 2 = 12
2 + 2 + 2 + 2 + 2 + 2 = 12

Explanation:
6 x 2 = 12 is multiplication sentence
The addition sentence is 2 + 2 + 2 + 2 + 2 + 2 = 12.

Question 13.
2 × 5 = ____
___ + ___ = ____
2 x 5 = 10
5 + 5 = 10

Explanation:
2 x 5 = 10 is the multiplication sentence
The addition sentence is 5 + 5 = 10.

Write an addition sentence and a multiplication sentence to show equal rows.

Question 14. ____ + ___ + ___ = ____
____ × ____ = ____
4 + 4 + 4 = 12
3 x 4 = 12

Explanation:
There are 3 rows of counters
Each row has 4 counters
3 rows of 4 counters is
3 x 4
4 + 4 + 4 = 12
3 x 4 = 12
So, the addition and multiplication sentence are 4 + 4 +  4 = 12 and 3 x 4 = 12.

Question 15. ____ + ____ + ___ + ___ = ____
____ × ____ = ____
5 + 5 + 5 + 5 = 20
4 x 5 = 20

Explanation:
There are 4 rows of squares
Each row has 5 squares in the given array
4 rows of 5 squares
4 x 5
5 + 5 + 5 + 5 = 20
4 x 5 = 20
So, the addition and multiplication sentence are 5 + 5 + 5 + 5 = 20 and 4 x 5 = 20.

Problem Solving

Question 16.
Seven tigers each make 4 paw prints. How many paw prints are there altogether? Write a multiplication sentence with a symbol for the unknown. Then solve.
7 x 4 = ?
7 x 4 = 28

Explanation:
Seven tigers each make 4 paw prints
7 groups of 4
4 + 4 + 4 + 4 + 4 + 4 + 4 = 28
So, the multiplication sentence that solves the problem is 7 x 4 = 28.

Question 17.
Adult tickets to the talent show cost $6. How much will 4 adult tickets cost? Draw an array to solve. Then write two multiplication sentences. Answer: Explanation: Adult tickets to the talent show cost$6
We need to find the cost of 4 adult tickets
I drew an array to solve
4 rows of 5 squares n each row
The multiplication sentence that solves the problem is
4 x \$6 =
6 + 6 + 6 + 6 = 24
So, 4 x 6 = 24 and 6 x 4 = 24 are the two multiplication sentences.

Test Practice

Question 18.
Which of the following number sentences is related to the addition sentence 5 + 5 + 5 = 15?
A. 3 × 5 = 15
B. 3 + 5 = 8
C. 15 – 5 = 10
D. 5 + 3 = 8