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PAT Maths Plus, Test 6, Q4
Linked from: Number and Algebra: Money and financial mathematics 115124
Content strand: Number and Algebra
PAT Maths scale score: 116.7*
* (adjusted to the PAT Maths 4th Edition scale)
PAT Maths descriptor: Use coins to show change from $30.00.
Prerequisites
 Reading and interpreting word problems (Concept builder)
 Subtraction strategies (Concept builder)
 Understanding money amounts (Concept builder)
 Change from $1 and $2 (Concept builder)
Common errors and misconceptions
Key  A:  
Option reasoning 
A  Key 
B 


C  (may have miscalculated the cents by matching the number of cents to the question value, but dollar value is correct) Newman reading/decoding and comprehension error 

D  (may have miscalculated the dollar value by one dollar too much and matched the number of cents to the question value) Newman reading/decoding and comprehension error 

E  (may have miscalculated the dollar value by one dollar too little, but the cents value is correct) Newman processing error 
Key concepts and skills
 Recognising English words that imply a subtraction or count on operation
 Calculating the amount of change from a multiple of 10 dollars
 Identification of correct change as a set of coins
 Counting on or subtraction strategies for finding the correct change
Linked concept builders
 Change from larger amounts (Concept builder)
 Identifying which operation to use in a word problem (Concept builder)
 Newman's error analysis (Concept builder)
Moving forward
 Problem solving with money (Concept builder)