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

## Math in Focus Grade 3 Chapter 10 Practice 3 Answer Key Addition

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

**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 $14.70 into 1470¢ and $20.15 into 2015¢.

Add 1470¢ with 2015¢ the sum is 3485¢.

The cents 3485¢ in dollar form as $34.85.

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 $65.05 into 6505¢ and $0.95 into 95¢.

Add 6505¢ with 95¢ the sum is 6600¢.

The cents 6600¢ in dollar form as $66.00.

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 $20.70 into 2070¢ and $35.55 into 3555¢.

Add 2070¢ with 3555¢ the sum is 5625¢.

The cents 5625¢ in dollar form as $56.25.

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 $3.65 into 365¢ and $32.75 into 3275¢.

Add 365¢ with 3275¢ the sum is 3640¢.

The cents 3640¢ in dollar form as $36.40.

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 $4.65 into 465¢ and $73.25 into 7325¢.

Add 465¢ with 7325¢ the sum is 7790¢.

The cents 7790¢ in dollar form as $77.90.

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 $93.20 into 9320¢ and $5.95 into 595¢.

Add 9320¢ with 595¢ the sum is 9915¢.

The cents 9915¢ in dollar form as $99.15.

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 $15.85 into 1585¢ and $24.15 into 2415¢.

Add 1585¢ with 2415¢ the sum is 4000¢.

The cents 4000¢ in dollar form as $40.00.

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 $25.25 into 2525¢ and $28.75 into 2875¢.

Add 2525¢ with 2875¢ the sum is 5400¢.

The cents 5400¢ in dollar form as $54.00.

**Write the letter that matches each answer to find out.**

Question 9.

How do you thank a person in Spanish?

Answer:

**Look at the picture. Write the prices, and then add.**

**Example**

Question 10.

Answer:

Explanation:

In the above image we can observe the price of the skateboard is $25.40. Here both are skate boards. Add $25.40 with $25.40 the sum is $50.80.

Question 11.

Answer:

Explanation:

In the above image we can observe the price of the radio is $80.65 and the price of the teddy bear is $18.75. Add $80.65 with $18.75 the sum is $99.40.

Question 12.

Answer:

Explanation:

In the above image we can observe the price of the hairdryer is $39.15 and the price of the toy car is $56.95. Add $39.15 with $56.95 the sum is $96.10.

Question 13.

Answer:

Explanation:

In the above image we can observe the price of the iron is $71.40 and the price of the teddy bear is $18.75. Add $71.40 with $18.75 the sum is $90.15.

Question 14.

Answer:

Explanation:

In the above image we can observe the price of the toy car is $56.95 and the price of the teddy bear is $18.75. Add $56.95 with $18.75 the sum is $75.70.