Grade 6 · Year 7 · Class 6 · ages 11–12 · Algebra
Evaluating algebraic expressions: Grade 6 practice
Substituting a value for a letter and working out the answer. Eight questions at a time, instant feedback and a mastery score from 0 to 100.
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Right answers raise your mastery score (more on harder questions) and wrong ones lower it a little. Your best score is saved on this device, and in your account if you log in.
The idea in one minute
Replace each letter with its number in brackets, then follow the order of operations.
Try these on paper first
One question at each level. Tap a question to see the answer.
Easy Find 4x when x = 5:
Answer: 20
Medium Find 9x + 3 when x = 4:
Answer: 39
Challenge Find 6x − 2x² when x = 4:
Answer: -8
More ways to practise evaluating algebraic expressions
- Printable evaluating algebraic expressions worksheet with an answer key (new questions every time)
- All Grade 6 practice · Algebra worksheets
Related skills
- One-step equations (Grade 6)
- Evaluating powers (Grade 6)
- Order of operations (BODMAS / PEMDAS) (Grade 5)
- Two-step equations (Grade 7)
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FAQ
Evaluating algebraic expressions: questions
What grade is evaluating algebraic expressions?
It is usually taught in Grade 6 (Year 7 in England, Class 6 in India, ages 11–12), though schools and countries differ. Try the grade above or below if it feels too hard or too easy.
What does a evaluating algebraic expressions question look like?
For example: "Find 9x + 3 when x = 4:" The answer is 39. Replace each letter with its number in brackets, then follow the order of operations.
What should I learn before and after evaluating algebraic expressions?
Before it, try one-step equations (Grade 6). After it, move on to evaluating powers (Grade 6).
How can I get better at evaluating algebraic expressions?
Replace each letter with its number in brackets, then follow the order of operations. Practise a little every day, read the hint after each wrong answer, and use the printable worksheet when you want to write it out.
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