Q1: Multiply the following.
15 × 2/5
Ans: 15 × 2/5
Can be written as
= 3 × 2
= 6
Q2: Find:
2/5 of 15
Ans: 2/5 × 15
= 6
Q3: Find:
1/3 of 12
Ans: 1/3 × 12
= 4
Q4: 7/50 of a kilogram = ? grams
Ans: 1kg = 1000gms
7/50 × 1000 = 140 gms
Q5: Saroj plants 6 mango trees in row in her garden. The distance between two adjacent mango trees is 5/4 m. Find the distance between the first and the last mango tree.
Ans: ∴ Distance between first & last = 5 × 5/4 = 25/4 m.
Q6: Rani says that the shaded portion in the given figure represents 1/4. Do you agree with her? Give the reason to support your answer?
Ans: From the symmetry of the figure we can say that the shaded part represents 1/4 the portion of circle.
Q7: Find 3/10 of a kilogram.
Ans: 1 kg = 1000 gms
3/10 × 1000 = 300 gms
Q8: Ramesh had 20 pencils, Sheelu had 50 pencils and Jamaal had 80 pencils. After 4 months. Ramesh used up 10 pencils, Sheelu used up 25 pencils and Jamaal used up 40 pencils. What fraction did each use up? Check if each has used up an equal fraction of her/his pencils?
Ans: Ramesh = 20 pencils
Sheelu = 50 pencils
Jamaal = 80 pencils
After 4 months
Ramesh = 10 pencils used
Sheelu = 25 pencils used
Jamaal = 40 pencils used
Fraction of pencils used =
Ramesh = 10/20 = 1/2
Sheelu = 25/50 = 1/2
Jamaal = 40/80 = 1/2
Hence equal fraction of pencils all used.
Q9: 3/8 of 64 equals:
Ans: 3/8 of 64 = 3/8 × 64 = 3 × 8 = 24
Hence, the correct answer is 24.
Q10: Multiply and write the answer into lowest term 15 × 12/20
Ans: = 15 × 12/20
= 15 × 3/5
= 3 × 3
= 9
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1. What is the concept of "parts and whole" in Class 5? |
2. How can the concept of "parts and whole" be applied in real-life scenarios? |
3. What are some examples of "parts and whole" in everyday life that can be taught in Class 5? |
4. How can the concept of "parts and whole" be beneficial for problem-solving skills? |
5. What teaching strategies can be used to effectively teach the concept of "parts and whole" in Class 5? |
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