1.   Find 35 − 5.
    A. 35 B. 31
    C. 32 D. 30
    Hint

  2.   There are 20 students on a field trip. The students are 10 years old and younger. If 4 students are 10 years old, how many are younger than 10?
    A. 15 B. 10
    C. 16 D. 14
    Hint

  3.   Tell which two groups are equal.
   
    A. B, D B. B, C
    C. A, D D. A, B
    Hint

  4.   Which picture shows a pair of equal groups?
   
    A. A B. D
    C. B D. C
    Hint

  5.   Find 2 × 5.
    A. 10 B. 5
    C. 12 D. 8
    Hint