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## McGraw-Hill Math Grade 3 Answer Key Chapter 6 Lesson 6 Multiplying by Multiples of 10

**Solve**

**Multiply. Draw pictures or use objects if you need help.**

Question 1.

9 × 10 = __90__

Question 2.

5 × 50 = ___

Answer:

Explanation:

5 x 50 = 5 groups of 5 tens

5 groups of 5 tens = 25 tens

15 tens = 250

So, 5 x 50 = 250.

Question 3.

8 × 30 = ___

Answer:

Explanation:

8 x 30 = 8 groups of 3 tens

8 groups of 3 tens = 24 tens

24 tens = 240

So, 8 x 30 = 240.

Question 4.

2 × 40 = ___

Answer:

Explanation:

2 x 40 = 2 groups of 4 tens

2 groups of 4 tens = 12 tens

12 tens = 120

So, 3 x 40 = 120.

Question 5.

7 × 60 = ___

Answer:

Explanation:

7 x 60 = 7 groups of 6 tens

7 groups of 6 tens = 42 tens

42 tens = 420

So, 7 x 60 = 420.

Question 6.

1 × 90 = ___

Answer:

Explanation:

1 x 90 = 1 group of 9 tens

1 group of 9 tens = 9 tens

9 tens = 90

So, 1 x 90 = 90.

Question 7.

6 × 20 = ___

Answer:

Explanation:

6 x 20 = 6 groups of 2 tens

6 groups of 2 tens = 12 tens

12 tens = 120

So, 6 x 20 = 120.

Question 8.

0 × 80 = ___

Answer:

0 x 80 = 0

Explanation:

The product of any number with 0 is 0

So, 0 x 80 = 0.

Question 9.

6 × 40 = ___

Answer:

Explanation:

6 x 40 = 6 groups of 4 tens

6 groups of 4 tens = 24 tens

24 tens = 240

So, 6 x 40 = 240.

Question 10.

Most people eat about 3 pounds of food every day. How many pounds of food would 70 people eat in one day?

Answer:

Explanation:

Most people eat about 3 pounds of food every day

To find the number of pounds of food 70 people eat in one day

Multiply 3 with 70

3 x 70 = 3 groups of 7 tens

3 groups of 7 tens = 21 tens

21 tens = 210

3 x 70 = 210

So, 70 people would eat 210 pounds of food in one day.