Grade 6 · Year 7 · Class 6 · ages 11–12 · Ratio
The unitary method: Grade 6 practice
Finding the cost of one item first, then the cost of any number of items. 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
Divide to find the cost of one, then multiply by the number you want: 5 pens cost ₹60, so 1 pen costs ₹12.
Try these on paper first
One question at each level. Tap a question to see the answer.
Easy If 6 pencils cost ₹12, 8 pencils cost ₹
Answer: 16
Medium If 3 balloons cost ₹6, 8 balloons cost ₹
Answer: 16
Challenge If 8 erasers cost ₹208, 15 erasers cost ₹
Answer: 390
More ways to practise the unitary method
- Printable the unitary method worksheet with an answer key (new questions every time)
- Ratio Recipe: Scale recipes and compare quantities while learning to simplify ratios.
- All Grade 6 practice · Ratio worksheets
Related skills
- Simplifying ratios (Grade 6)
- Equivalent ratios (Grade 6)
- Sharing in a ratio (Grade 6)
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FAQ
The unitary method: questions
What grade is the unitary method?
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 the unitary method question look like?
For example: "If 3 balloons cost ₹6, 8 balloons cost ₹" The answer is 16. Divide to find the cost of one, then multiply by the number you want: 5 pens cost ₹60, so 1 pen costs ₹12.
What should I learn before and after the unitary method?
Before it, try simplifying ratios (Grade 6). After it, move on to equivalent ratios (Grade 6).
How can I get better at the unitary method?
Divide to find the cost of one, then multiply by the number you want: 5 pens cost ₹60, so 1 pen costs ₹12. 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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