Students can use the **Spectrum Math Grade 3 Answer Key Chapter 4 Lesson 4.5 Multiplying through 9 × 9 **as a quick guide to resolve any of their doubts.

## Spectrum Math Grade 3 Chapter 4 Lesson 4.5 Multiplying through 9 × 9 Answers Key

**Multiply.**

Question 1.

a.

Answer:

First find the 3-row and 9-column.

The product is named where the 3-row and 9-column meet.

Therefore the product of 3 and 9 is 27.

b.

Answer:

First find the 7-row and 6-column.

The product is named where the 7-row and 6-column meet.

Therefore the product of 7 and 6 is 42.

c.

Answer:

First find the 5-row and 4-column.

The product is named where the 5-row and 4-column meet.

Therefore the product of 5 and 4 is 20.

d.

Answer:

First find the 7-row and 9-column.

The product is named where the 7-row and 9-column meet.

Therefore the product of 7 and 9 is 63.

e.

Answer:

First find the 8-row and 6-column.

The product is named where the 8-row and 6-column meet.

Therefore the product of 8 and 6 is 48.

f.

Answer:

First find the 5-row and 0-column.

The product is named where the 5-row and 0-column meet.

Therefore the product of 5 and 0 is 0.

Question 2.

a.

Answer:

First find the 4-row and 3-column.

The product is named where the 4-row and 3-column meet.

Therefore the product of 4 and 3 is 12.

b.

Answer:

First find the 8-row and 5-column.

The product is named where the 8-row and 5-column meet.

Therefore the product of 8 and 5 is 40.

c.

Answer:

First find the 4-row and 9-column.

The product is named where the 4-row and 9-column meet.

Therefore the product of 4 and 9 is 36.

d.

Answer:

First find the 3-row and 0-column.

The product is named where the 3-row and 0-column meet.

Therefore the product of 3 and 0 is 0.

e.

Answer:

First find the 5-row and 7-column.

The product is named where the 5-row and 7-column meet.

Therefore the product of 5 and 7 is 35.

f.

Answer:

First find the 2-row and 9-column.

The product is named where the 2-row and 9-column meet.

Therefore the product of 2 and 9 is 18.

Question 3.

a.

Answer:

First find the 5-row and 1-column.

The product is named where the 5-row and 1-column meet.

Therefore the product of 5 and 1 is 5.

b.

Answer:

First find the 4-row and 6-column.

The product is named where the 4-row and 6-column meet.

Therefore the product of 4 and 6 is 24.

c.

Answer:

First find the 8-row and 2-column.

The product is named where the 8-row and 2-column meet.

Therefore the product of 8 and 2 is 16.

d.

Answer:

First find the 6-row and 8-column.

The product is named where the 6-row and 8-column meet.

Therefore the product of 6 and 8 is 48.

e.

Answer:

First find the 4-row and 0-column.

The product is named where the 4-row and 0-column meet.

Therefore the product of 4 and 0 is 0.

f.

Answer:

First find the 0-row and 9-column.

The product is named where the 0-row and 9-column meet.

Therefore the product of 0 and 9 is 0.

Question 4.

a.

Answer:

First find the 3-row and 1-column.

The product is named where the 3-row and 1-column meet.

Therefore the product of 3 and 1 is 3.

b.

Answer:

First find the 6-row and 4-column.

The product is named where the 6-row and 4-column meet.

Therefore the product of 6 and 4 is 24

c.

Answer:

First find the 9-row and 2-column.

The product is named where the 9-row and 2-column meet.

Therefore the product of 9 and 2 is 18.

d.

Answer:

First find the 3-row and 4-column.

The product is named where the 3-row and 4-column meet.

Therefore the product of 3 and 4 is 12.

e.

Answer:

First find the 6-row and 3-column.

The product is named where the 6-row and 3-column meet.

Therefore the product of 6 and 3 is 18.

f.

Answer:

First find the 5-row and 6-column.

The product is named where the 5-row and 6-column meet.

Therefore the product of 5 and 6 is 30.

Question 5.

a.

Answer:

First find the 3-row and 8-column.

The product is named where the 3-row and 8-column meet.

Therefore the product of 3 and 8 is 24.

b.

Answer:

First find the 3-row and 6-column.

The product is named where the 3-row and 6-column meet.

Therefore the product of 3 and 6 is 18.

c.

Answer:

First find the 6-row and 7-column.

The product is named where the 6-row and 7-column meet.

Therefore the product of 6 and 7 is 42.

d.

Answer:

First find the 9-row and 9-column.

The product is named where the 9-row and 9-column meet.

Therefore the product of 9 and 9 is 81.

e.

Answer:

First find the 8-row and 4-column.

The product is named where the 8-row and 4-column meet.

Therefore the product of 8 and 4 is 32.

f.

Answer:

First find the 5-row and 3-column.

The product is named where the 5-row and 3-column meet.

Therefore the product of 5 and 3 is 15.

Question 6.

a.

Answer:

First find the 2-row and 6-column.

The product is named where the 2-row and 6-column meet.

Therefore the product of 2 and 6 is 12.

b.

Answer:

First find the 8-row and 8-column.

The product is named where the 8-row and 8-column meet.

Therefore the product of 8 and 8 is 64.

c.

Answer:

First find the 9-row and 3-column.

The product is named where the 9-row and 3-column meet.

Therefore the product of 9 and 3 is 27.

d.

Answer:

First find the 7-row and 4-column.

The product is named where the 7-row and 4-column meet.

Therefore the product of 7 and 4 is 28.

e.

Answer:

First find the 8-row and 0-column.

The product is named where the 8-row and 0-column meet.

Therefore the product of 8 and 0 is 8.

f.

Answer:

First find the 7-row and 7-column.

The product is named where the 7-row and 7-column meet.

Therefore the product of 7 and 7 is 49.