Education.com
Try
Brainzy
Try
Plus

Numbers and Operations Practice Problems: GED Math

By
Updated on Mar 23, 2011

Review these concepts if necessary:

Problems

  1. 10 – 5 + 2 =
    1. 3
    2. –3
    3. –7
    4. 7
    5. 10
  2. 32 – 40 ÷ 4 =
    1. –2
    2. –18
    3. 22
    4. 12
    5. 42
  3. Estimate the answer to the nearest 10: 7 + (4 + 52) × (4 + 3) =
    1. 70
    2. 390
    3. 400
    4. 440
    5. 2,740
  4. Which choice shows the prime factorization of 60?
    1. 3 × 4 × 5
    2. 6 × 10
    3. 6 × (8 + 2)
    4. 1 × 60
    5. 2 × 2 × 3 × 5
  5. Find the greatest common factor of 20 and 30.
    1. 60
    2. 20
    3. 5
    4. 600
    5. 10
  6. Find the least common multiple of 40 and 50.
    1. 10
    2. 5
    3. 100
    4. 200
    5. 2,000
  7. Which choice shows an example of the distributive property?
    1. 7 × (8 × 6) = (7 × 8) × 6
    2. 7(40 + 8) = 7 × 40 + 7 × 8
    3. 7 × 48 = 48 × 7
    4. 7(40 + 8) = 7 × 20 + 7 × 28
    5. 7 × 40 + 8 = 7 × (40 + 8)
  8. 100 ÷ 5 + |–5 × 3| =
    1. 35
    2. 75
    3. 5
    4. 45
    5. 33
  9. Which choice shows an example of the associative property?
    1. 12 + (49 + 51) = (49 + 51) + 12
    2. 49 + (51 + 12) = (49 + 51) + 12
    3. 49 + (51 + 12) = 49 + 51 + (49 + 12)
    4. 12 + 49 + 51 = 51 + 49 + 12
    5. 12(49 + 51) = 12 × 49 + 12 × 51
  10. Which example shows the commutative property?
    1. 29 × 7 × 21 = (29 × 7) × 7 × 21
    2. (29 × 7) × 21 = 29 × (7 × 21)
    3. 29 × 7 × 21 = 29 × 21 × 7
    4. 29 × 7 × 21 = 203 × 21
    5. 29(7 + 21) = 29 × 7 + 29 × 21
  11. Which of the following will result in an even-number answer?
    1. 3 × 7
    2. 2 + 3
    3. 5 × 9
    4. 7 + 5
    5. 1 × 7
  12. |3 × –7| =
    1. –21
    2. –4
    3. 4
    4. 10
    5. 21
  1. 25 + 15 × 3 =
    1. 120
    2. 30
    3. 15
    4. 70
    5. 13
  2. 8 – 10 ÷ 2 =
    1. –1
    2. 1
    3. 3
    4. –3
    5. 9
  3. 5 × (6 + 19) =
    1. 49
    2. 125
    3. 115
    4. 5
    5. –5
  4. 12 + 144 ÷ (8 + 4) =
    1. 24
    2. 16
    3. 144
    4. 32
    5. 34
  5. 120 ÷ 5 × –2 =
    1. 12
    2. –50
    3. –48
    4. 48
    5. 50
  6. Which example shows the prime factorization of 90?
    1. 9 × 10
    2. 90 × 1
    3. 2 × 3 × 3 × 5
    4. 2 × 5 × 9
    5. 3 × 3 × 10
  7. Which choice shows an example of the distributive property?
    1. 5 × 27 = 27 × 5
    2. 5(20 + 7) = 5 × 20 + 5 × 7
    3. 5 × (9 × 3) = (5 × 9) × 3
    4. 5(20 + 7) = 2 × 15 + 5 × 7
    5. 5 × 20 + 7 = 5 × (20 + 7)
  8. What is the greatest common factor of 48 and 120?
    1. 12
    2. 2
    3. 240
    4. 3
    5. 24
  9. What is the least common multiple of 20 and 30?
    1. 20
    2. 30
    3. 600
    4. 60
    5. 10
  10. Estimate the answer to the nearest ten: 35 – 5 + 7 =
    1. 20
    2. 30
    3. 35
    4. 40
    5. 50
  11. Which of the following will result in an odd-number answer?
    1. 36 + 48
    2. 20 × 8
    3. 37 + 47
    4. 7 × 12
    5. 13 + 12
  12. –25 ÷ |9 – 4| =
    1. –30
    2. –20
    3. –5
    4. 5
    5. 13
View Full Article
Add your own comment
DIY Worksheets
Make puzzles and printables that are educational, personal, and fun!
Matching Lists
Quickly create fun match-up worksheets using your own words.
Word Searches
Use your own word lists to create and print custom word searches.
Crossword Puzzles
Make custom crossword puzzles using your own words and clues.
See all Worksheet Generators