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## McGraw-Hill Math Grade 3 Answer Key Chapter 6 Lesson 4 Multiplying by 9

**Solve.**

**Multiply. Use drawings or objects if you need help.**

Question 1.

7 × 9 = __63__

Question 2.

3 × 9 = ___

Answer:

Explanation:

I drew 3 rows of 9 circles in each row to show the product

The product of 3 and 9 is 27

So, 3 x 9 = 27.

Question 3.

8 × 9 = ___

Answer:

Explanation:

I drew 8 rows of 9 circles in each row to show the product

The product of 8 and 9 is 72

So, 8 x 9 = 72.

Question 4.

1 × 9 = ___

Answer:

Explanation:

The product of any number with 1 is the number itself

So, 1 x 9 = 9.

Question 5.

Answer:

Explanation:

The product of 6 and 9 is 54

6 x 9 = 54.

Question 6.

Answer:

Explanation:

The product of 2 and 9 is 18

So, 2 x 9 = 18.

Question 7.

Answer:

Explanation:

The product of any number with 1 is the number itself

So, 1 x 9 = 9.

Question 8.

Answer:

Explanation:

The product of 4 and 9 is 36

So, 4 x 9 = 36.

Question 9.

Complete the 9s multiplication chart. Complete the sentences to tell what patterns you see in the answers.

Answer:

Explanation:

I wrote the multiplies of 9 in the 9s multiplication chart.

I see one increasing number pattern and one decreasing number pattern in the products.

Question 10.

When you multiply a factor by 9, the two digits in the answers add up to ___.

Answer:

9

Explanation:

If i multiply a factor by 9 the two digits in the answers add up to 9

The sum of the two digits of the answers is 9.

Question 11.

The factor multiplied by 9 is 1 ____________ than the digit in the tens place of the answer.

Answer:

1 less than

Explanation:

The factor multiplied by 9 is 1 less than the digit in the tens place of the answer

For example:

3 x 9 = 27

The factor is 3, the digit in tens place of the answer is 2

2 is 1 less than 3

So, the factor multiplied by 9 is 1 less than the digit in the tens place of the answer.