This handy Math in Focus Grade 2 Workbook Answer Key Chapter 15 Practice 4 Multiplying 4: Using Dot Paper detailed solutions for the textbook questions.

## Math in Focus Grade 2 Chapter 15 Practice 4 Answer Key Multiplying 4: Using Dot Paper

**Solve.**

**Example**

There are 3 boxes of crayons. There are 4- crayons in each box. How many crayons are there in all?

Question 1.

There are 6 toy cars in a toy box. Each car has 4 wheels. How many wheels are there in all?

___________ × 4 = __________

There are ___________ wheels in all.

Answer:

6 x 4 = 24

There are 24 wheels in all.

**Use dot paper to solve.**

Question 2.

Mrs. Jones buys 5 T-shirts. Each T-shirt costs $4. How much does Mrs. Jones spend in all?

___________ × $4 = $___________

Mrs. Jones spends $___________ in all.

Answer:

5 x $4 = $20

Mrs. Jones spends $20 in all.

Question 3.

There are 8 bags. Each bag has 4 muffins. How many muffins are there in all?

___________ × ___________ = ___________

There are ___________ muffins in all.

Answer:

8 x 4 = 32

There are 32 muffins in all.

**Use dot paper to help you fill in the blanks.**

**Example**

Question 4.

10 × 4 = ___________

8 × 4 = 10 groups of 4 – ____________ groups of 4

= ____________ – 8

= ____________

Answer:

10 × 4 = 40

8 × 4 = 10 groups of 4 – 2 groups of 4

= 40 – 8

= 32

Question 5.

7 × 4 = _________ + 8

= ___________

Answer:

7 x 4 = ( 5 x 4 ) + 8

= 20 + 8

= 28.

Question 6.

9 × 4 = _________ – 4

= ____________

Answer:

9 x 4 = ( 10 x 4 ) – 4

= 40 – 4

= 36

**Use dot paper to help you fill ¡n the blanks.**

**Example**

Question 7.

Answer:

7 x 4 = 28 4 x 7 = 28

Question 8.

Answer:

9 x 4 = 36 4 x 9 = 36