Math Practice Topic: Associative Property 1

Description: Completion of equations that demonstrate the associative property with addition.
For example, since 2 + (3 + 4) = 9, then (2 + 3) + 4 = 9.

Adaptive Learning Progression: Starts with computation to demonstrate that the associative property is correct, then lets you apply it.

Sample Levels (out of 4)

Fill in the blanks.

1.
(6 + 8) + 9 = 6 + (8 + 9)
+ 9 = 6 +
=
2.
(2 + 4) + 7 = 2 + (4 + 7)
+ 7 = 2 +
=
3.
(1 + 5) + 9 = 1 + (5 + 9)
+ 9 = 1 +
=

Fill in the blanks.

1.
Rewrite the expression 2 + (4 + 8) using the associative property.
2.
2 + (3 + 8) = ( + ) +
3.
If 7 + (8 + 9) = 24, then what is (7 + 8) + 9?
4.
Rewrite the expression 3 + (5 + 8) using the associative property.

Fill in the blanks.

1.
Which equation(s) show the associative property?
Select the correct answer(s).
(3 - 4) - 9 = 3 - (4 - 9)
(1 + 8) + 9 = (1 + 8) + 9
1 + (2 + 4) = (2 + 4) + 1
(1 + 2) + 5 = 1 + (2 + 5)
none of the above
2.
If 2 + (5 + 6) = (2 + x) + 6, then what is x?
3.
Which equation(s) show the associative property?
Select the correct answer(s).
1 + (2 + 3) + 5 = 1 + 2 + (3 + 5)
2 - (5 - 6) = (2 - 5) - 6
1 + (4 + 6) + 9 = 1 + 4 + (6 + 9)
1 + 4 + (7 + 8) = 1 + (4 + 7) + 8
none of the above

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