1.   Write four in standard form.
    A. 4 B. 2
    C. 3 D. 5
    Hint
  2.   How many?

___ ones = ___ tens
   
    A. 30 ones = 3 tens B. 20 ones = 3 tens
    C. 40 ones = 3 tens D. 30 ones = 4 tens
    Hint
  3.   Describe the pattern unit.
   
    A. 2 2 B. 5 5 2
    C. 2 2 5 D. 2 5
    Hint
  4.   What is the pattern?
   
    A. goes down by 3 B. goes down by 2
    C. goes up by 2 D. goes up by 3
    Hint
  5.   Count on to add. You can use the number line.

___ = 6 + 2
   
    A. 8 B. 10
    C. 9 D. 11
    Hint
  6.   Find 3 + 3.
    A. 7 B. 9
    C. 6 D. 5
    Hint
  7.   Find the sums.

5 + 5 = ___

5 + 4 = ___
    A. 10, 9 B. 11, 9
    C. 10, 8 D. 9, 10
    Hint
  8.   Find the sums.

1 + 1 = ___

1 + 2 = ___
    A. 3, 2 B. 2, 3
    C. 3, 3 D. 4, 3
    Hint
  9.   Find the sums.

3 + 3 = ___

3 + 2 = ___
    A. 5, 5 B. 6, 5
    C. 7, 5 D. 6, 6
    Hint
  10.   Subtract. Use the number line.

10 − 3 = ___
   
    A. 7 B. 6
    C. 8 D. 13
    Hint
  11.   Find the difference.

9 − 9 = ___

9 − 0 = ___
    A. 8, 0 B. 0, 10
    C. 0, 9 D. 0, 8
    Hint
  12.   Find the difference.

10 − 0 = ___

10 − 10 = ___
    A. 1, 10 B. 10, 1
    C. 0, 10 D. 10, 0
    Hint
  13.   Find the missing numbers.

4 + ___ = 8

8 − 4 = ___
    A. 2 B. 4
    C. 5 D. 3
    Hint
  14.   Find 16 − 8.
    A. 9 B. 8
    C. 7 D. 6
    Hint
  15.   Complete the fact family.

12 − ___ = 5      ___ + 5 = 12

12 − 5 = ___      5 + ___ = 12
   
    A. 8 B. 7
    C. 5 D. 6
    Hint
  16.   How many tally marks should there be for jump ropes?
   
    A. 5 B. 4
    C. 2 D. 6
    Hint
  17.   Aaron puts 5 yellow blocks and 3 red blocks in a bag. He is ______ to pick yellow than red.
    A. equally likely B. less likely
    C. more likely D. none of the above
    Hint
  18.   Find the sum.

2 tens + 6 tens = ___ tens
    A. 9 B. 7
    C. 8 D. 6
    Hint
  19.   Find 75 + 3.
   
    A. 78 B. 77
    C. 76 D. 79
    Hint
  20.   Find the sum.
    A. 74 B. 78
    C. 88 D. 84
    Hint