Math Practice Problems

Unit Cost - 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=1

Solve.

Problem

Correct Answer

Your Answer

1 pound of grapes costs $2. How much do 8 pounds of grapes
cost?

Solution

number of items		cost per item		total cost
8	×	$2	=	$16

Problem

Correct Answer

Your Answer

1 ball costs $2. How much do 4 balls cost?

Solution

number of items		cost per item		total cost
4	×	$2	=	$8

Complexity=1, Mode=1

Solve.

Problem

Correct Answer

Your Answer

You have $18.90. 1 deck of cards costs $2.10. How many
decks of cards can you buy?

Solution

total amount		cost per item		number of items
$18.90	÷	$2.10	=	9

Problem

Correct Answer

Your Answer

1 pair of scissors costs $1.20. How much do 9 pairs of
scissors cost?

Solution

number of items		cost per item		total cost
9	×	$1.20	=	$10.80

Complexity=1, Mode=2

Solve.

Problem

Correct Answer

Your Answer

6 balls cost $24.54. How much does each ball cost?

Solution

total cost		number of items		cost per item
$24.54	÷	6	=	$4.09

Problem

Correct Answer

Your Answer

1 toy car costs $5.63. How much do 4 toy cars cost?

Solution

number of items		cost per item		total cost
4	×	$5.63	=	$22.52

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