Question Answer For All Chapters – Ganita Prakash Class 7th Figure it Out (Page 128) 1. Arrange the stick figure cutouts given at the end of the book or draw a height arrangement such that the sequence reads: (a) 0, 1, 1, 2, 4, 1, 5 (b) 0, 0, 0, 0, 0, 0, 0 (c) […]
Question Answer For All Chapters – Ganita Prakash Class 7th Figure it Out (Page 108) Q. List all the linear pairs and vertically opposite angles you observe in Fig. 5.3: Ans: Linear Pairs (adjacent angles whose sum = 180°): ∠a and ∠b ∠b and ∠c ∠c and ∠d ∠d and ∠a Pairs of Vertically Opposite […]
Question Answer For All Chapters – Ganita Prakash Class 7th Figure it Out (Page 84-85) 1. Write formulas for the perimeter of: (a) triangle with all sides equal. (b) a regular pentagon (as we have learnt last year, we use the word ‘regular’ to say that all sidelengths and angle measures are equal) (c) a […]
Question Answer For All Chapters – Ganita Prakash Class 7th Page 46-47 In the following figure, screws are placed above a scale. Measure them and write their length in the space provided. Ans: (Q.) Which scale helped you measure the length of the screws accurately? Why? Ans: “The third scale helped us measure the length […]
Question Answer For All Chapters – Ganita Prakash Class 7th 2.1 Simple Expressions (Page 24) Choose your favourite number and write as many expressions as you can having that value. Ans: We can write different arithmetic expressions for this number as follows: 12 + 8 = 20 4 × 5 = 20 40 ÷ 2 = […]
Imp Questions For All Chapters – Ganit Prakash Class 7th Working with Fractions 1. What is the result of multiplying a whole number with a fraction? Ans: Multiply the whole number with the numerator of the fraction and divide the product by the denominator. Example: 5× = 2. What is the result of multiplying two […]
Notes For All Chapters – Ganita Prakash Class 7th Working with Fractions 1 Multiplication of Fractions Fraction × Whole Number Multiply the whole number with the numerator of the fraction. Example: ×3 = Whole Number × Fraction Same rule as above, order doesn’t matter. 3× = Mixed Fraction × Whole Number Convert the mixed number […]
Imp Questions For All Chapters – Ganit Prakash Class 7th A Tale of Three Intersecting Lines 1. What is a triangle? Ans: A triangle is a closed figure with three sides and three angles formed by joining three non-collinear points. 2. What is an equilateral triangle? Ans: A triangle in which all three sides are […]
Notes For All Chapters – Ganita Prakash Class 7th A Tale of Three Intersecting Lines 1. Triangle and its Parts A triangle has 3 sides, 3 vertices, and 3 angles. Example: Triangle ABC has angles ∠A, ∠B, ∠C. 2. Types of Triangles by Sides Type Description Equilateral All 3 sides equal Isosceles 2 sides equal […]
Imp Questions For All Chapters – Ganit Prakash Class 7th Number Play Section 6.1 – Numbers Tell Us Things 1. What rule do the children follow while saying numbers? Ans: Each child says how many taller children are standing in front of them. 2. If a person says ‘0’, are they always the tallest? Ans: […]
Notes For All Chapters – Ganita Prakash Class 7th Number Play 1. Numbers Tell Us Things A sequence of numbers can convey information such as height order. Rule: Each child says how many children in front of them are taller. Example sequence: If sequence is: 0, 1, 2, 3, it means each person is shorter […]
Imp Questions For All Chapters – Ganit Prakash Class 7th Parallel and Intersecting Lines 1. What are intersecting lines? Ans: Lines that meet or cross each other at a point are called intersecting lines. 2. How many angles are formed when two lines intersect? Ans: Four angles are formed. 3. What are vertically opposite angles? […]
Notes For All Chapters – Ganita Prakash Class 7th Parallel and Intersecting Lines 1. Lines on a Plane A line is straight and goes on forever in both directions. Plane surface: Flat surface like a table, blackboard, or paper. 2. Intersecting Lines When two lines meet at a point, they are called intersecting lines. At […]
Imp Questions For All Chapters – Ganit Prakash Class 7th Expressions using Letter-Numbers 1. What is an algebraic expression? Ans: An algebraic expression is a mathematical expression that contains numbers, letter-numbers (variables), and operations like +, –, ×, and ÷. 2. Write an expression for Shabnam’s age if Aftab’s age is a. Ans: Shabnam’s age […]
Notes For All Chapters – Ganita Prakash Class 7th Expressions using Letter-Numbers 1. What is an Algebraic Expression? An algebraic expression is a combination of letter-numbers and mathematical operations (+, –, ×, ÷). Example: If a is Aftab’s age, and Shabnam is 3 years older, then Shabnam’s age = a + 3. 2. What are […]
Imp Questions For All Chapters – Ganit Prakash Class 7th A Peek Beyond the Point 1. What is meant by 2.7 cm? Ans: It means 2 cm and 7 one-tenths of a cm (2 cm + 7/10 cm). 2. How many tenths make one unit? Ans: 10 tenths make one unit. 3. How do we […]
Notes For All Chapters – Ganita Prakash Class 7th A Peek Beyond the Point 1. Need for Smaller Units Even a tiny difference in length (like in screws) matters in measurements. To measure small lengths accurately, we divide 1 cm into 10 parts, each called 1 tenth (1/10) of a cm. 2. Understanding Tenths 1 […]
Imp Questions For All Chapters – Ganit Prakash Class 7th Arithmetic Expressions 1. What is an arithmetic expression? Ans: An arithmetic expression is a combination of numbers and operations like +, –, ×, ÷. Example: 13 + 2 2. What is the value of the expression 13 + 2? Ans: The value is 15. 3. […]
Notes For All Chapters – Ganita Prakash Class 7th Arithmetic Expressions 1. What is an Arithmetic Expression? A mathematical phrase using numbers and operations (+, –, ×, ÷). Examples: 13 + 2 20 – 4 12 × 5 18 ÷ 3 2. Value of an Expression Every expression has a value (result after solving). Example: […]
Imp Questions For All Chapters – Ganit Prakash Class 7th Large Numbers Around Us 1. What is the smallest 6-digit number? Answer: 1,00,000 (One lakh) 2. How many varieties of rice were there in the past, as per the chapter? Answer: About one lakh varieties. 3. If a person eats 2 varieties of rice a […]
Notes For All Chapters – Ganita Prakash Class 7th Large Numbers Around Us 1. Understanding Big Numbers One Lakh = 1,00,000 One Crore = 1,00,00,000 These are very large numbers used in real-life contexts like population, distances, etc. 2. Place Value Systems Indian System: Commas are placed like this: 1,00,00,000 (Crore) → groups of 3-2-2 […]
Question Answer For All Chapters – Ganita Prakash Class 7th Page 2 1. What if a person ate 3 varieties of rice every day? Will they be able to taste all the lakh varieties in a 100 year lifetime? Find out. Ans: Varieties of rice eaten per day = 3 Number of days in 1 […]
Arithmetic Expressions Page No. 24 Question: Choose your favourite number and write as many expressions as you can having that value. Solution: Let’s choose the number 12. Expressions with the value 12 are: 10 + 2 15 – 3 3 × 4 24 ÷ 2 Figure it Out Page No. 25 1. Fill in the […]
Chapter 1 – Large Numbers Around Us Chapter 2 – Arithmetic Expressions Chapter 3 – A Peek Beyond the Point Chapter 4 – Expressions using Letter-Numbers Chapter 5 – Parallel and Intersecting Lines Chapter 6 – Number Play Chapter 7 – A Tale of Three Intersecting Lines Chapter 8 – Working with Fractions
Large Numbers Around Us Page No. 2 Question: But how much is one lakh? Observe the pattern and fill in the boxes given below. Answer: Question: Roxie and Estu found that if they ate one variety of rice a day, they would come nowhere close to a lakh in a lifetime! Roxie suggests, “What if […]