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## Associative Property 2 - 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, Mode=mul

Fill in the blanks.

1.
 (6 × 8) × 5 = 6 × (8 × 5) × 5 = 6 × =
2.
 (7 × 9) × 5 = 7 × (9 × 5) × 5 = 7 × =

### Complexity=2, Mode=mul

Fill in the blanks. Type either * or x for the multiplication sign.

 1.   If (2 × 3) × 5 = 30, then what is 2 × (3 × 5)? 2.   Rewrite the expression (3 × 5) × 6 using the associative property.

### Complexity=3, Mode=mul

Fill in the blanks. Type either * or x for the multiplication sign.

 1.   Rewrite the expression 2 × (a × 7) using the associative property. 2.   5 × (z × 9) = ( × ) ×

### Complexity=4, Mode=mul

Fill in the blanks.

1.   Which equation(s) show the associative property?
 2 + (3 + 7) = (2 + 3) + 7
 2 × (4 × 6) = (2 × 4) × 6
 1 + 2 + (3 + 5) = 1 + (2 + 3) + 5
 none of the above
2.   If 2 × (3 × 6) = (2 × y) × 6, then what is y?

### Complexity=1, Mode=mul

Fill in the blanks.

1
 (6 × 8) × 5 = 6 × (8 × 5) × 5 = 6 × =
2
 (7 × 9) × 5 = 7 × (9 × 5) × 5 = 7 × =

### Complexity=2, Mode=mul

Fill in the blanks. Type either * or x for the multiplication sign.

1If (2 × 3) × 5 = 30, then what is 2 × (3 × 5)?
2Rewrite the expression (3 × 5) × 6 using the associative property.

### Complexity=3, Mode=mul

Fill in the blanks. Type either * or x for the multiplication sign.

1Rewrite the expression 2 × (a × 7) using the associative property.
25 × (z × 9) = ( × ) ×

### Complexity=4, Mode=mul

Fill in the blanks.

1Which equation(s) show the associative property?