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Money Addition - Sample Math Practice Problems

The math problems below can be generated by MathScore.com, a math practice program for schools and individual families. References to complexity and mode refer to the overall difficulty of the problems as they appear in the main program. In the main program, all problems are automatically graded and the difficulty adapts dynamically based on performance. Answers to these sample questions appear at the bottom of the page. This page does not grade your responses.

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Complexity=2

Add and Estimate.
1.  
$2.55
+ $0.14
Answer
Estimate
2.  
$0.67
+ $1.03
Answer
Estimate

Complexity=6

Add and Estimate.
1.  
$3.08
+ $3.58
Answer
Estimate
2.  
$2.40
+ $5.92
Answer
Estimate

Complexity=10

Add and Estimate.
1.  
$4.49
+ $7.14
Answer
Estimate
2.  
$10.37
+ $5.18
Answer
Estimate

Complexity=100

Add and Estimate.
1.  
$100.61
+ $98.26
Answer
Estimate
2.  
$72.81
+ $81.88
Answer
Estimate

Complexity=1000

Add and Estimate.
1.  
$917.91
+ $982.40
Answer
Estimate
2.  
$417.80
+ $904.98
Answer
Estimate

Complexity=10000

Add and Estimate.
1.  
$8335.13
+ $5385.49
Answer
Estimate
2.  
$9967.68
+ $9625.10
Answer
Estimate

Answers


Complexity=2

Add and Estimate.
#ProblemCorrect AnswerYour Answer
1
$2.55
+ $0.14
Answer
Estimate
Solution
To get the estimated answer, round as follows:
$2.55 => $3
$0.14 => $0
$3 + $0 = $3
#ProblemCorrect AnswerYour Answer
2
$0.67
+ $1.03
Answer
Estimate
Solution
To get the estimated answer, round as follows:
$0.67 => $1
$1.03 => $1
$1 + $1 = $2

Complexity=6

Add and Estimate.
#ProblemCorrect AnswerYour Answer
1
$3.08
+ $3.58
Answer
Estimate
Solution
To get the estimated answer, round as follows:
$3.08 => $3
$3.58 => $4
$3 + $4 = $7
#ProblemCorrect AnswerYour Answer
2
$2.40
+ $5.92
Answer
Estimate
Solution
To get the estimated answer, round as follows:
$2.40 => $2
$5.92 => $6
$2 + $6 = $8

Complexity=10

Add and Estimate.
#ProblemCorrect AnswerYour Answer
1
$4.49
+ $7.14
Answer
Estimate
Solution
To get the estimated answer, round as follows:
$4.49 => $4
$7.14 => $7
$4 + $7 = $11
#ProblemCorrect AnswerYour Answer
2
$10.37
+ $5.18
Answer
Estimate
Solution
To get the estimated answer, round as follows:
$10.37 => $10
$5.18 => $5
$10 + $5 = $15

Complexity=100

Add and Estimate.
#ProblemCorrect AnswerYour Answer
1
$100.61
+ $98.26
Answer
Estimate
Solution
To get the estimated answer, round as follows:
$100.61 => $100
$98.26 => $100
$100 + $100 = $200
#ProblemCorrect AnswerYour Answer
2
$72.81
+ $81.88
Answer
Estimate
Solution
To get the estimated answer, round as follows:
$72.81 => $70
$81.88 => $80
$70 + $80 = $150

Complexity=1000

Add and Estimate.
#ProblemCorrect AnswerYour Answer
1
$917.91
+ $982.40
Answer
Estimate
Solution
To get the estimated answer, round as follows:
$917.91 => $900
$982.40 => $1000
$900 + $1000 = $1900
#ProblemCorrect AnswerYour Answer
2
$417.80
+ $904.98
Answer
Estimate
Solution
To get the estimated answer, round as follows:
$417.80 => $400
$904.98 => $900
$400 + $900 = $1300

Complexity=10000

Add and Estimate.
#ProblemCorrect AnswerYour Answer
1
$8335.13
+ $5385.49
Answer
Estimate
Solution
To get the estimated answer, round as follows:
$8335.13 => $8000
$5385.49 => $5000
$8000 + $5000 = $13000
#ProblemCorrect AnswerYour Answer
2
$9967.68
+ $9625.10
Answer
Estimate
Solution
To get the estimated answer, round as follows:
$9967.68 => $10000
$9625.10 => $10000
$10000 + $10000 = $20000
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