1.   Replace ∅ with <, >, or = to make a true sentence.

415 ∅ 413

   
    A. < B. >
    C. = D. +
    Hint

  2.   Replace ∅ with <, >, or = to make a true sentence.

421 ∅ 423

   
    A. < B. >
    C. = D. +
    Hint

  3.   Replace ∅ with <, >, or = to make a true sentence.

421 ∅ 421

   
    A. + B. >
    C. = D. <
    Hint

  4.   Replace ∅ with <, >, or = to make a true sentence.

59 ∅ 77

    A. + B. <
    C. > D. =
    Hint

  5.   On a computer, a document file is 3,580 MB. A photo file is 3,570 MB. Which file is smaller?
    A. You cannot tell. B. They are the same.
    C. photo D. document
    Hint