Practice

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 · 18 questions

Questions

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

A1
Write 528 cents as dollars and cents.
Reveal explanation
Answer: $5.28
There are 100 cents in one dollar; 528 cents = 5 dollars and 28 cents.
A2
You have $3.61. How much more money do you need to make exactly $10.00?
Reveal explanation
Answer: $6.39
10 dollars is 1,000 cents. Subtract 361 cents to get 639 cents, or $6.39.
A3
A notebook costs $3.93 and a pencil case costs $3.13. What is the total cost?
Reveal explanation
Answer: $7.06
Add cents: 393 + 313 = 706 cents = $7.06.
A4
You have $7.81 and spend $1.44. How much remains?
Reveal explanation
Answer: $6.37
Subtract 144 cents from 781 cents. The 637 cents remaining equal $6.37.
A5
You have $20.00. You buy two items costing $6.59 and $3.67. What change do you receive?
Reveal explanation
Answer: $9.74
Combine the costs: $6.59 + $3.67 = $10.26. Then subtract from $20.00 to get $9.74.
A6
Write 764 cents as dollars and cents.
Reveal explanation
Answer: $7.64
There are 100 cents in one dollar; 764 cents = 7 dollars and 64 cents.
A7
You have $8.18. How much more money do you need to make exactly $10.00?
Reveal explanation
Answer: $1.82
10 dollars is 1,000 cents. Subtract 818 cents to get 182 cents, or $1.82.
A8
A notebook costs $3.46 and a pencil case costs $2.81. What is the total cost?
Reveal explanation
Answer: $6.27
Add cents: 346 + 281 = 627 cents = $6.27.
A9
You have $7.86 and spend $0.89. How much remains?
Reveal explanation
Answer: $6.97
Subtract 89 cents from 786 cents. The 697 cents remaining equal $6.97.
A10
You have $30.00. You buy two items costing $1.36 and $1.73. What change do you receive?
Reveal explanation
Answer: $26.91
Combine the costs: $1.36 + $1.73 = $3.09. Then subtract from $30.00 to get $26.91.
A11
Write 271 cents as dollars and cents.
Reveal explanation
Answer: $2.71
There are 100 cents in one dollar; 271 cents = 2 dollars and 71 cents.
A12
You have $2.32. How much more money do you need to make exactly $10.00?
Reveal explanation
Answer: $7.68
10 dollars is 1,000 cents. Subtract 232 cents to get 768 cents, or $7.68.
A13
A notebook costs $1.59 and a pencil case costs $2.26. What is the total cost?
Reveal explanation
Answer: $3.85
Add cents: 159 + 226 = 385 cents = $3.85.
A14
You have $3.86 and spend $1.16. How much remains?
Reveal explanation
Answer: $2.70
Subtract 116 cents from 386 cents. The 270 cents remaining equal $2.70.
A15
You have $30.00. You buy two items costing $1.58 and $2.08. What change do you receive?
Reveal explanation
Answer: $26.34
Combine the costs: $1.58 + $2.08 = $3.66. Then subtract from $30.00 to get $26.34.
A16
Write 442 cents as dollars and cents.
Reveal explanation
Answer: $4.42
There are 100 cents in one dollar; 442 cents = 4 dollars and 42 cents.
A17
You have $10.00 and spend $7.75. Find the change by counting up, explaining each jump.
Reveal explanation
Answer: $2.25
Count 25 cents to $8.00, then $2.00 more to $10.00, for $2.25 change.
A18
Explain why $6.05 is 6 dollars and 5 cents rather than 6 dollars and 50 cents.
Reveal explanation
Answer: $6.05
The first digit after the decimal is tens of cents, and the second is ones of cents.

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