All the solutions provided in **McGraw Hill My Math Grade 3 Answer Key PDF Chapter 6 Multiplication and Division Patterns** will give you a clear idea of the concepts.

## McGraw-Hill My Math Grade 3 Answer Key Chapter 6 Multiplication and Division Patterns

**Essential Question?**

What is the importance of patterns in learning multiplication and

**Am I Ready?**

**Multiply.**

Question 1.

6 × 4 = ____

Answer:

Given that,

In the diagram there are 6 columns and 4 rows.

Multiply 6 with 4 then you get 24.

Therefore the answer is 24.

Question 2.

1 × 5 = ____

Answer:

Given that,

In the diagram there are 1 columns and 5 rows.

Multiply 1 with 5 then you get 5.

Therefore the answer is 5.

Question 3.

7 × 2 = ____

Answer:

Given that,

In the diagram there are 7 columns and 2 rows.

Multiply 7 with 2 then you get 14.

Therefore the answer is 14.

**Draw an array for each. Multiply.**

Question 4.

4 × 5 = ____

Answer:

Multiply 4 with 5 then you get 20.

Draw an array with 4 rows and 5 columns.

Question 5.

1 × 6 = ____

Answer:

Multiply 1 with 6 then you get 6.

Draw an array with 6 rows and 1 columns.

Question 6.

2 × 9 = ____

Answer:

Multiply 2 with 9 then you get 18.

Draw an array with 9 rows and 2 columns.

**Identify a pattern. Then find the missing numbers.**

Question 7.

___, ____, 30, 25, 20, 15

The pattern is ______

Answer:

From the given data

15 + 5 = 20

20 + 5 = 25

25 + 5 = 30

30 + 5 = 35

35 + 5 = 40.

Therefore the missing numbers are 35, 40.

The patten is 40, 35, 30, 25, 20, 15.

Question 8.

___, ____, 16, 14, 12, 10

The pattern is ____.

Answer:

From the given data,

10 + 2 = 12.

12 + 2 = 14.

14 + 2 = 16.

16 + 2 = 18.

18 + 2 = 20.

The missing numbers are 18, 20.

The patten is 20, 18, 16, 14, 12, 10.

Question 9.

Louis has 2 quarters. Yellow whistles cost 5 each. Louis wants to buy 8 whistles. Does he have enough money? Explain.

Answer:

Given that,

Louis has 2 quarters.

1 quarter = 25 cents.

2 quarter = 25 x 2 = 50 cents.

Yellow whistles cost 5 each.

Louis wants to buy 8 whistles.

The cost of 8 whistles is 8 x 5 = 40.

Therefore he has a enough money to buy the 8 whistles.

Question 10.

Nine trees lined each side of a street. Some trees were cut down leaving a total of 7 trees. How many trees were cut down?

Answer:

Given that,

The total number of trees are 9.

Some trees were cut down leaving a total of 7 trees. It means they leave the 7 trees and cut the remaining trees.

Therefore the number of trees cut down are 9 – 7 = 2.

**My Math Words**

**Review Vocabulary**

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