Practice the problems of Math in Focus Grade 3 Workbook Answer Key Chapter 10 Practice 6 Subtraction to score better marks in the exam.

## Math in Focus Grade 3 Chapter 10 Practice 6 Answer Key Subtraction

**Change dollars and cents to cents. Then subtract.**

**Example**

Question 1.

Answer:

Explanation:

First we have to change dollars and cents to cents. We know that 1 us dollar is equal to 100 us cents.

Convert $17.55 into 1755¢ and $3.20 into 320¢.

Subtract 320¢ from 1755¢ the difference is 1435¢.

The cents 1435¢ in dollar form as $14.35.

Question 2.

Answer:

Explanation:

First we have to change dollars and cents to cents. We know that 1 us dollar is equal to 100 us cents.

Convert $4.25 into 425¢ and $3.65 into 365¢.

Subtract 365¢ from 425¢ the difference is 60¢.

The cents 60¢ in dollar form as $0.60.

Question 3.

Answer:

Explanation:

First we have to change dollars and cents to cents. We know that 1 us dollar is equal to 100 us cents.

Convert $5.00 into 500¢ and $0.75 into 75¢.

Subtract 75¢ from 500¢ the difference is 425¢.

The cents 425¢ in dollar form as $4.25.

Question 4.

Answer:

Explanation:

First we have to change dollars and cents to cents. We know that 1 us dollar is equal to 100 us cents.

Convert $10.15 into 1015¢ and $7.30 into 730¢.

Subtract 730¢ from 1015¢ the difference is 285¢.

The cents 285¢ in dollar form as $2.85.

Question 5.

Answer:

Explanation:

First we have to change dollars and cents to cents. We know that 1 us dollar is equal to 100 us cents.

Convert $76.55 into 7655¢ and $47.85 into 4785¢.

Subtract 4785¢ from 7655¢ the difference is 2870¢.

The cents 2870¢ in dollar form as $28.70.

Question 6.

Answer:

Explanation:

First we have to change dollars and cents to cents. We know that 1 us dollar is equal to 100 us cents.

Convert $55.80 into 5580¢ and $10.95 into 1095¢.

Subtract 1095¢ from 5580¢ the difference is 4485¢.

The cents 4485¢ in dollar form as $44.85.

Question 7.

Answer:

Explanation:

First we have to change dollars and cents to cents. We know that 1 us dollar is equal to 100 us cents.

Convert $79.40 into 7940¢ and $33.45 into 3345¢.

Subtract 3345¢ from 7940¢ the difference is 4595¢.

The cents 4595¢ in dollar form as $45.95.

Question 8.

Answer:

Explanation:

First we have to change dollars and cents to cents. We know that 1 us dollar is equal to 100 us cents.

Convert $40.00 into 4000¢ and $15.85 into 1585¢.

Subtract 1585¢ from 4000¢ the difference is 2415¢.

The cents 2415¢ in dollar form as $24.15.

**Write the letter that matches each answer to complete the sentence.**

Question 9.

Let’s keep our national parks

Answer:

**Find the amount of change you will receive.**

Question 10.

Answer:

I have four $1 notes. Multiply 4 with $1 the product is $4.

The title of the book is snow white. The cost of the book is $3.85.

Subtract book cost from amount I have. Subtract $3.85 from $4 the difference is $0.15.

I will receive the amount of change $0.15.

Question 11.

Answer:

Explanation:

I have five $20 notes. Multiply 5 with $20 the product is $100.

The title of the book is Encyclopedia. The cost of the book is $85.

Subtract book cost from amount I have. Subtract $85 from $100 the difference is $15.

I will receive the amount of change $15.

Question 12.

Answer:

Explanation:

I have two $5 notes. Multiply 2 with $5 the product is $10.

The title of the book is Hansel and Gretel. The cost of the book is $8.65.

Subtract book cost from amount I have. Subtract $8.65 from $10 the difference is $1.35.

I will receive the amount of change $1.35.

Question 13.

Answer:

Explanation:

I have one $10 note and one $5 note. Add $10 with$5 the sum is $15.

The title of the book is The animal move. The cost of the book is $12.30.

Subtract book cost from amount I have. Subtract $12.30 from $15.00 the difference is $2.70.

I will receive the amount of change $2.70.