1.   Find the value of the expression if ▲ = 6 and ■ = 4.

16 − ■

    A. 20 B. 10
    C. 24 D. 12
    Hint

  2.   Find the value of the expression if ▲ = 6 and ■ = 4.

9 − (■ + 2)

    A. 3 B. 1
    C. 7 D. 5
    Hint

  3.   Write an expression for the situation.

62 minus ★

    A. 62 + ★ B. ★ − 62
    C. 62 − ★ − ★ D. 62 − ★
    Hint

  4.   Write an expression the situation.

the sum of 24 and ♦

    A. 24 + ♦ B. 24 − ♦
    C. 24 + ♦ + 24 D. ♦ − 24
    Hint

  5.   The length of a bottle-nose dolphin is 48 inches more than the length of a buffeo dolphin. If the length of a buffeo dolphin is 46 inches, what is the length of a bottle-nose dolphin?
    A. 48 inches B. 46 inches
    C. 108 inches D. 94 inches
    Hint