Chapter review

Original cumulative chapter practice to consolidate taught ideas.

Original cumulative chapter practice to consolidate taught ideas. Solutions are available as revealable feedback and in a separate complete answer key. No answer submissions or accounts are required.

Assessment · 26 questions

Questions

Show your thinking; use diagrams when they help. Do not open solutions during your first attempt.

A1
Write 121 cents as dollars and cents.
Reveal explanation
Answer: $1.21
There are 100 cents in one dollar; 121 cents = 1 dollar and 21 cents.
A2
You have $4.42. How much more money do you need to make exactly $10.00?
Reveal explanation
Answer: $5.58
10 dollars is 1,000 cents. Subtract 442 cents to get 558 cents, or $5.58.
A3
A notebook costs $8.14 and a pencil case costs $2.90. What is the total cost?
Reveal explanation
Answer: $11.04
Add cents: 814 + 290 = 1104 cents = $11.04.
A4
You have $6.02 and spend $3.71. How much remains?
Reveal explanation
Answer: $2.31
Subtract 371 cents from 602 cents. The 231 cents remaining equal $2.31.
A5
You have $20.00. You buy two items costing $5.49 and $3.02. What change do you receive?
Reveal explanation
Answer: $11.49
Combine the costs: $5.49 + $3.02 = $8.51. Then subtract from $20.00 to get $11.49.
A6
Write 297 cents as dollars and cents.
Reveal explanation
Answer: $2.97
There are 100 cents in one dollar; 297 cents = 2 dollars and 97 cents.
A7
You have $3.16. How much more money do you need to make exactly $10.00?
Reveal explanation
Answer: $6.84
10 dollars is 1,000 cents. Subtract 316 cents to get 684 cents, or $6.84.
A8
A notebook costs $4.04 and a pencil case costs $2.52. What is the total cost?
Reveal explanation
Answer: $6.56
Add cents: 404 + 252 = 656 cents = $6.56.
A9
You have $9.19 and spend $2.67. How much remains?
Reveal explanation
Answer: $6.52
Subtract 267 cents from 919 cents. The 652 cents remaining equal $6.52.
A10
You have $30.00. You buy two items costing $7.79 and $1.37. What change do you receive?
Reveal explanation
Answer: $20.84
Combine the costs: $7.79 + $1.37 = $9.16. Then subtract from $30.00 to get $20.84.
A11
Write 567 cents as dollars and cents.
Reveal explanation
Answer: $5.67
There are 100 cents in one dollar; 567 cents = 5 dollars and 67 cents.
A12
You have $3.50. How much more money do you need to make exactly $10.00?
Reveal explanation
Answer: $6.50
10 dollars is 1,000 cents. Subtract 350 cents to get 650 cents, or $6.50.
A13
A notebook costs $1.86 and a pencil case costs $3.57. What is the total cost?
Reveal explanation
Answer: $5.43
Add cents: 186 + 357 = 543 cents = $5.43.
A14
You have $2.07 and spend $0.83. How much remains?
Reveal explanation
Answer: $1.24
Subtract 83 cents from 207 cents. The 124 cents remaining equal $1.24.
A15
You have $30.00. You buy two items costing $7.15 and $1.59. What change do you receive?
Reveal explanation
Answer: $21.26
Combine the costs: $7.15 + $1.59 = $8.74. Then subtract from $30.00 to get $21.26.
A16
Write 394 cents as dollars and cents.
Reveal explanation
Answer: $3.94
There are 100 cents in one dollar; 394 cents = 3 dollars and 94 cents.
A17
You have $8.14. How much more money do you need to make exactly $10.00?
Reveal explanation
Answer: $1.86
10 dollars is 1,000 cents. Subtract 814 cents to get 186 cents, or $1.86.
A18
A notebook costs $6.26 and a pencil case costs $0.81. What is the total cost?
Reveal explanation
Answer: $7.07
Add cents: 626 + 81 = 707 cents = $7.07.
A19
You have $9.49 and spend $1.46. How much remains?
Reveal explanation
Answer: $8.03
Subtract 146 cents from 949 cents. The 803 cents remaining equal $8.03.
A20
You have $20.00. You buy two items costing $2.10 and $0.98. What change do you receive?
Reveal explanation
Answer: $16.92
Combine the costs: $2.10 + $0.98 = $3.08. Then subtract from $20.00 to get $16.92.
A21
Write 166 cents as dollars and cents.
Reveal explanation
Answer: $1.66
There are 100 cents in one dollar; 166 cents = 1 dollar and 66 cents.
A22
You have $1.45. How much more money do you need to make exactly $10.00?
Reveal explanation
Answer: $8.55
10 dollars is 1,000 cents. Subtract 145 cents to get 855 cents, or $8.55.
A23
A notebook costs $1.19 and a pencil case costs $1.73. What is the total cost?
Reveal explanation
Answer: $2.92
Add cents: 119 + 173 = 292 cents = $2.92.
A24
You have $6.43 and spend $3.37. How much remains?
Reveal explanation
Answer: $3.06
Subtract 337 cents from 643 cents. The 306 cents remaining equal $3.06.
A25
You have $10.00 and spend $4.75. Find the change by counting up, explaining each jump.
Reveal explanation
Answer: $5.25
Count 25 cents to $5.00, then $5.00 more to $10.00, for $5.25 change.
A26
Explain why $3.05 is 3 dollars and 5 cents rather than 3 dollars and 50 cents.
Reveal explanation
Answer: $3.05
The first digit after the decimal is tens of cents, and the second is ones of cents.

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