01
multiple choice
A bowl has 4 strawberries and 6 grapes. What is the ratio of strawberries to grapes?
- 4:6
- 6:4
- 2:3
- 3:2
Answer
4:6
The order is strawberries first, grapes second, so the ratio is 4:6.
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Education Q&A
Intro to Ratio flashcards and answers
Review the questions, answers and explanations from the public maths lesson. Each card is visible for quick revision, active recall and education Q&A discovery.
11
cards
Maths
sample lesson
Ages 10-12
revision level
Revision stack
Practise recall, then check the explanation
02
multiple choice
Simplify 8:12.
- 4:6
- 2:3
- 3:2
- 1:4
Answer
2:3
Both 8 and 12 divide by 4, so 8:12 simplifies to 2:3.
03
multiple choice
A recipe uses 10 spoonfuls of water for 15 spoonfuls of juice. What is the simplified ratio of water to juice?
- 10:15
- 3:2
- 2:3
- 5:10
Answer
2:3
Divide both parts by 5. The ratio 10:15 becomes 2:3.
04
multiple choice
There are 7 gold bottles and 4 purple bottles. What is the ratio of purple bottles to gold bottles?
- 7:4
- 4:7
- 11:4
- 3:7
Answer
4:7
The words say purple first, gold second, so the ratio is 4:7.
05
multiple choice
Which ratio is equivalent to 2:5?
- 4:10
- 5:2
- 2:10
- 6:10
Answer
4:10
Both parts of 2:5 have been multiplied by 2, giving 4:10.
06
multiple choice
Simplify 12:18.
- 2:3
- 3:2
- 6:9
- 4:8
Answer
2:3
Both 12 and 18 divide by 6, so 12:18 simplifies to 2:3.
07
flashcardSimplifying
There are 5 pencils and 10 pens. What is the simplified ratio of pencils to pens?
Answer
5:10 simplifies to 1:2.
08
flashcardWord problems
A class has 12 girls and 8 boys. What is the simplified ratio of girls to boys?
Answer
12:8 simplifies to 3:2.
09
flashcardReasoning
Why can 9:12 be simplified but 7:11 cannot?
Answer
9 and 12 share a common factor of 3. 7 and 11 have no common factor apart from 1.
10
flashcardEquivalent ratios
A potion uses 2 blue drops for every 3 red drops. How many red drops are needed for 8 blue drops?
Answer
8 blue drops is 4 times as many as 2, so red drops must also be multiplied by 4. You need 12 red drops.
11
flashcardEquivalent ratios
Which is the odd one out: 1:2, 2:4, 3:6, 4:7?
Answer
4:7 is the odd one out. The others all simplify to 1:2.
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