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Associative Property of Multiplication — Group Two Ways

Group the numbers two ways. Multiply the grouped numbers first, then finish the problem. Compare the two answers.

Example
Group the first two
3 × 2 × 7=(3 × 2) × 7=6 × 7=42
Group the last two
3 × 2 × 7=3 × (2 × 7)=3 × 14=42
  1. 1.
    Group the first two
    2 × 2 × 7=(2 × 2) × 7= × 7=
    Group the last two
    2 × 2 × 7=2 × (2 × 7)=2 × =
  2. 2.
    Group the first two
    4 × 3 × 5=(4 × 3) × 5= × 5=
    Group the last two
    4 × 3 × 5=4 × (3 × 5)=4 × =
  3. 3.
    Group the first two
    6 × 3 × 2=(6 × 3) × 2= × 2=
    Group the last two
    6 × 3 × 2=6 × (3 × 2)=6 × =
  4. 4.
    Group the first two
    7 × 3 × 2=(7 × 3) × 2= × 2=
    Group the last two
    7 × 3 × 2=7 × (3 × 2)=7 × =
  5. 5.
    Group the first two
    2 × 3 × 5=(2 × 3) × 5= × 5=
    Group the last two
    2 × 3 × 5=2 × (3 × 5)=2 × =