# Math in Focus Grade 3 Chapter 10 Practice 8 Answer Key Real-World Problems: Money

Practice the problems of Math in Focus Grade 3 Workbook Answer Key Chapter 10 Practice 8 Real-World Problems: Money to score better marks in the exam.

## Math in Focus Grade 3 Chapter 10 Practice 8 Answer Key Real-World Problems: Money

Solve.

Question 1.
Mrs. Twohill buys a bottle of cooking oil for $6.75. She gives the cashier two$5 bills. How much change does she receive?

$10 –$6.75 = $3.25 She receives$3.25 change.
Explanation:
Mrs. Twohill buys a bottle of cooking oil for $6.75. She gives the cashier two$5 bills. Two $5 bills means$10. Subtract $6.75 from$10 the difference is $3.25. She receives$3.25 change.

Question 2.
Mr. Larson spends $37.50 at a supermarket. He spends$8.25 less than Mrs. Rosa. How much does Mrs. Rosa spend?

$37.50 +$8.25 = $45.75 Mrs. Rosa spend$45.75.
Explanation:
Mr. Larson spends $37.50 at a supermarket. He spends$8.25 less than Mrs. Rosa. Add $37.50 with$8.25 the sum is $45.75. Mrs. Rosa spend$45.75.

Question 3.
Lisa buys a tennis racket and a can of tennis balls. The can of tennis balls costs $18.60. The racket costs$40.85 more.
a. How much is the racket?
$18.60 +$40.85 = $59.45 The racket cost is$59.45.
Explanation:
Lisa buys a tennis racket and a can of tennis balls. The can of tennis balls costs $18.60. The racket costs$40.85 more. Add $18.60 with$40.85 the sum is $59.45. The racket cost is$59.45.

b. How much does she spend in all?

$18.60 +$59.45 = $78.05 She spends$78.05 in all.
Explanation:
The can of tennis balls costs $18.60. The racket cost is$59.45. Add $18.60 with$59.45 the sum is $78.05. She spends$78.05 in all.

Question 4.
Jacob has $8.65 to take to the fair. His mother gives him$15.50 more. He spends $16.45 at the fair. a. How much does he bring to the fair? Answer:$8.65 + $15.50 =$24.15
He brings $24.15 to the fair. Explanation: Jacob has$8.65 to take to the fair. His mother gives him $15.50 more. Add$8.65 with $15.50 the sum is$24.15. He brings $24.15 to the fair. b. How much does he have left? Answer:$24.15 – $16.45 =$7.70
He have left $7.70. Explanation: He brings$24.15 to the fair. He spends $16.45 at the fair. Subtract$16.45 from $24.15 the difference is$7.70. He have left $7.70. Question 5. Madi buys a carton of milk and a bag of bagels. She gives the cashier$10 and receives $5.25 change. The bag of bagels costs$2.75. How much does the carton of milk cost?

$10 –$5.25 = $4.75 The carton of milk and a bag of bagels cost is$4.75.
$2.75 +$ = $4.75$4.75 – $2.75 = 2 The cost of carton of milk is$2.
Explanation:
Madi buys a carton of milk and a bag of bagels. She gives the cashier $10 and receives$5.25 change. Subtract $5.25 from$10 the difference is $4.75. The carton of milk and a bag of bagels cost is$4.75.
The bag of bagels costs $2.75. Subtract$2.75 from $4.75 the difference is$2. The cost of carton of milk is $2. Question 6. Jordan saved$10.40 last month. He saved $5.50 less this month. How much did he save in the two months? Answer:$10.40 – $5.50 =$4.9
He saved $4.9 this month.$10.40 + $4.9 =$15.3
He saves $15.3 in the two months. Explanation: Jordan saved$10.40 last month. He saved $5.50 less this month. Subtract$5.50 from $10.40 the difference is$4.9. He saved $4.9 this month. Add$10.40 with $4.9 the sum is$15.3. He saves $15.3 in the two months. Question 7. A board game costs$28.45. It is $15.20 more than a paint set. The paint set costs$7.90 more than a toy car. How much does the toy car cost?
$28.45 –$15.20 = $13.25 The paint set cost is$13.25.
$13.25 –$7.90 =$5.35 The toy car cost is$5.35.
A board game costs $28.45. It is$15.20 more than a paint set. Which means the paint set cost is $15.20 less than a board game cost. Subtract$15.20 from $28.45 the difference is$13.25. The paint set cost is $13.25. The paint set costs$7.90 more than a toy car. Which means the toy car cost is $7.90 less than a paint set cost. Subtract$7.90 from $13.25 the difference is$5.35. The toy car cost is $5.35. Question 8. Tim and Karen each had the same amount of money to start with. Karen pays$24.60 for a CD and has $7.50 left. Tim buys a watch for$22.75. How much money does Tim have left?
$–$24.60 = $7.50$7.50 + $24.60 =$32.10
Tim and Karen have $32.10. Tim buys a watch for$22.75.
$32.10 –$22.75 = $9.35 Tim have$9.35 left.
Tim and Karen each had the same amount of money to start with. Karen pays $24.60 for a CD and has$7.50 left. Add $7.50 with$24.60 the sum is $32.10. Tim and Karen have$32.10. Tim buys a watch for $22.75. Subtract$22.75 from $32.10 the difference is$9.35. Tim have \$9.35 left.