1.   Tell which equation represents a way to find the product of 5 × 29.
    A. 5 × (29 + 1) B. 5 × (5 + 29)
    C. 5 × (30 + 1) D. 5 × (30 − 1)
    Hint

  2.   Tell which equation represents a way to find the product of 2 × 27.
    A. 2 × (30 − 3) B. 2 × (30 + 3)
    C. 2 × (2 + 27) D. 2 × (27 + 3)
    Hint

  3.   Tell which equation represents a way to find the product of 8 × 23.
    A. 8 × (8 + 23) B. 8 × (20 + 3)
    C. 8 × (20 − 3) D. 8 × (23 − 3)
    Hint

  4.   Tell which multiplication problem can be written as 7 × (40 − 2).
    A. 28 − 14 B. 7 × 38
    C. 5 × 40 D. 7 × 42
    Hint

  5.   Find the product of 5 × 87 using mental math.
    A. 407 B. 587
    C. 435 D. 402
    Hint