Practice the problems of Math in Focus Grade 3 Workbook Answer Key Chapter 10 Practice 7 Real-World Problems: Money to score better marks in the exam.

## Math in Focus Grade 3 Chapter 10 Practice 7 Answer Key Real-World Problems: Money

**Solve. Use bar models to help you.**

Question 1.

Nick has $ 18.20. He buys a pencil case for $12.50. How much does he have left?

$18.20 – $12.50 = $___________

He has $_________ left.

Answer:

$18.20 – $12.50 = $**5.70**

He has **$5.70** left.

Explanation:

Nick has $ 18.20. He buys a pencil case for $12.50. Subtract $12.50 from $18.20 the difference is $5.70. He has $5.70 left.

Question 2.

Tim has $40. Tim’s sister has $17.25 more. How much does his sister have?

$40 + $17.25 = $_________

Tim’s sister has $___________

Answer:

$40 + $17.25 = $**57.25**

Tim’s sister has **$57.25**.

Explanation:

Tim has $40. Tim’s sister has $17.25 more. Add $40 with $17.25 the sum is $57.25. Tim’s sister has $57.25.

Question 3.

Pamela buys a dress for $35.70. She buys a pair of shoes that costs $3.20 more than the dress.

a. How much is the pair of shoes?

Answer:

b. How much does she spend in all?

Answer:

a. $35.70 + $3.20 = $__________

The pair of shoes is $__________.

Answer:

$35.70 + $3.20 =** $38.90**

The pair of shoes is **$38.90.**

Explanation:

Pamela buys a dress for $35.70. She buys a pair of shoes that costs $3.20 more than the dress. Add $35.70 with $3.20 the sum is $38.90. The pair of shoes is $38.90.

b. $35.70 + $ = $__________

She spends $__________ in all.

Answer:

$35.70 + 38.90 = **$74.60**

She spends **$74.60** in all.

Explanation:

Pamela buys a dress for $35.70. She buys a pair of shoes that costs $38.90. Add $35.70 with $38.90 the sum is $74.60. She spends $74.60 in all.

Question 4.

Roberto has $7.85 to start with. Then he saves $2.40. He wants to buy a football that costs $16.70.

a. How much money does he have?

$7.85 + $2.40 = $ _________

He has $ _________.

Answer:

$7.85 + $2.40 = **$10.25**

He has **$10.25**.

Explanation:

Roberto has $7.85 to start with. Then he saves $2.40. Add $7.85 with $2.40 the sum is $10.25. He has $10.25.

b. How much more must he save to buy the football?

$16.70 – $_________ = $_________

He must save $_________ more.

Answer:

$16.70 – **$10.25** = **$6.45**

He must save **$6.45** more.

Explanation:

He has $10.25. He wants to buy a football that costs $16.70. Subtract $10.25 from $16.70 the difference is $6.45. He must save $6.45 more.