Dividing into a ratio II
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Lesson details
Key learning points
- In this lesson, we will divide a quantity into a ratio of the form a : b : c and compare the relative sizes of the parts to each other and to the whole.
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5 Questions
Q1.
Amit and Bernie share 100 sweets in the ratio 2:3. What fraction of the sweets will Amit have?
2/3
3/2
3/5
Q2.
Amit and Bernie share 100 sweets in the ratio 2:3. What fraction of the sweets will Bernie have?
2/3
2/5
3/2
Q3.
Amit and Bernie share 100 sweets in the ratio 2:3. How many sweets will Amit get?
20
60
80
Q4.
Amit and Bernie share 100 sweets in the ratio 2:3. How many sweets will Bernie get?
20
40
80
Q5.
In a group of 72 children, the ratio of boys to girls is 5:4. How many girls are in the group?
18
40
67
5 Questions
Q1.
Red paint and white paint are mixed in the ratio 3:5 to make 1 litre of pink paint. What fraction of the paint is red?
3/5
5/3
5/8
Q2.
Fill in the gap: Yellow paint and blue paint are mixed in the ratio 2:3 to make 1 litre of green paint. The amount of yellow paint will be _____ as much as the blue paint.
2/5
3/2
3/5
Q3.
Yellow paint and blue paint are mixed in the ratio 2:3 to make 1 litre of green paint. How much yellow paint is needed?
200ml
600ml
800ml
Q4.
Yellow paint and blue paint are mixed in the ratio 2:3 to make 1 litre of green paint. How much blue paint is needed?
200ml
400ml
800ml
Q5.
The angles in a triangle are 𝑥, 𝑦 and 𝑧. The angles are split into the ratio 2:3:4. What are the sizes of the angles in this triangle?
x = 20°, y = 30°, z = 40°
x = 40°, y = 40°, z = 100°
x = 40°, y = 50°, z = 80°