Education Q&A
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
Answer
4:6
The order is strawberries first, grapes second, so the direct ratio is 4:6. It can simplify to 2:3 later, but this question asks for the ratio before simplifying.
Answer
2:3
Both 8 and 12 divide by 4, so 8:12 simplifies to 2:3.
Answer
2:3
Divide both parts by 5. The ratio 10:15 becomes 2:3.
Answer
4:7
The words say purple first, gold second, so the ratio is 4:7.
Answer
4:10
Both parts of 2:5 have been multiplied by 2, giving 4:10.
Answer
2:3
Both 12 and 18 divide by 6, so 12:18 simplifies to 2:3.
Answer
5:10 simplifies to 1:2.
Answer
12:8 simplifies to 3:2.
Answer
9 and 12 share a common factor of 3. 7 and 11 have no common factor apart from 1.
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.
Answer
4:7 is the odd one out. The others all simplify to 1:2.
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