Grade 6–8Common Core (CCSS) · Math
Math Worksheets for Ages 12–14 (grades 6–8)
A ready-made mixed review for grades 6–8, covering negative numbers, expressions, equations, scale, circles and probability. Print it or pick a single topic below.
More options
Mixed review of all areas · 12-14 years
Name: ____________________Calculate: -8 − 8 =
Write as an improper fraction: 513 =
Calculate: 100 decreased by 10% =
Find the equation y = kx + m of the line through (−2, 3) and (0, −1).
A round table has a radius of 21 cm. How long is the edge around it? (π ≈ 3.14) Answer with the correct unit.
A code uses 5 letters and then 5 digits to choose from. How many codes of one letter and one digit exist? Answer with the correct unit.
Calculate: 65 ÷ 5 + 4 =
Calculate: 48 · 14 =
Calculate: 28 decreased by 50% =
Simplify: x + 11 − 2x − 1 =
Distance 10 km, Time 1 h. Speed =
The heights of some seedlings are 7, 10, 22, 22, 22 cm. Find the median and the mode. Answer with the correct unit.
Write as a decimal and a percentage: 15
2 tickets cost 26 kr. What do 4 tickets cost? Answer with the correct unit.
Find the value when x = 4: x² + 4 =
A triangular sail has base 18 m and height 8 m. What is its area? Answer with the correct unit.
This bag has 5 red, 6 blue and 3 green marbles. One marble is drawn at random. Calculate the probability that it is red.
Calculate: 48 ÷ 13 =
24 of 32 seeds grew into plants. What percentage grew?
Expand: 2(6x + 3) =
Answer key
- 1. -16
- 2. 163
- 3. 90
- 4. y = −2x − 1
- 5. ≈ 131.9 cm
- 6. 25 codes
- 7. 17
- 8. 18
- 9. 14
- 10. −x + 10
- 11. 10 km/h
- 12. median 22 cm, mode 22 cm
- 13. 0.2 = 20%
- 14. 52 kr
- 15. 20
- 16. 72 m²
- 17. 514
- 18. 112
- 19. 75%
- 20. 12x + 6
Topics on this worksheet
Areas on this sheet
- Relationships and change · 2
- Geometry · 1
- Algebra · 2
- Probability and statistics · 1
Step 1 of 5
Choose an area
Your choices
- Area
- Review
- Exercise type
- Mixed review of all areas
- Age
- 12–14 years
- Difficulty
- Easy
- Number of tasks
- 20
- Task format
- Mixed
- Paper size
- US Letter
Your choices
- Area
- Review
- Exercise type
- Mixed review of all areas
- Age
- 12–14 years
- Difficulty
- Easy
- Number of tasks
- 20
- Task format
- Mixed
- Paper size
- US Letter
More options
How to use the tool
- The page opens a mixed review for this age group.
- Change area, exercise type, level or number of tasks if you like.
- Print or save as PDF; “Create new version” gives a new sheet.
About this generator
This page collects everything pupils aged 12–14 (grades 6–8) typically practise: negative numbers, expressions, equations, scale, circles and probability. The default sheet mixes all areas — addition and subtraction, multiplication and division, number sense, fractions, percent, algebra, geometry and statistics — at a level suited to the age group, so it works well as a weekly review, a diagnostic before a new unit or homework. Switch to a single area to focus on one skill. The answer key is calculated by the website and includes units for every word problem. No sign-up and no personal data.
Popular uses
- Weekly mixed review
- Diagnostic before a new unit
- Homework
- Substitute teacher lessons
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Frequently asked questions
- How do I pick the right level?
- Choose an age or grade in step 2. Start easier if the pupil is unsure – you can switch anytime and get new problems instantly.
- Can I see the problems before printing?
- Yes. The sheet shows exactly the problems that will print. Click New problems to swap them.
- How do I include an answer key?
- Turn on Answer key in the last step. It prints on its own page after the problems, with the same numbering.
- What does the question mark next to a problem do?
- It opens a step-by-step explanation of the method on screen. It is not printed and does not reveal the answer.
- What do pupils aged 12–14 practise?
- Typically negative numbers, expressions, equations, scale, circles and probability.
- Is there an answer key?
- Yes, printed last, with units for word problems.