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.