Ex-2.1 1.Write the next three natural numbers after 10999. Solution: Three natural number = 1,2,3. The next three natural number after 10999 10999 + 1 = 11000 10999 + 2 = 11001 10999+ 3 = 11002 2….
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Ex-2.1 1.Write the next three natural numbers after 10999. Solution: Three natural number = 1,2,3. The next three natural number after 10999 10999 + 1 = 11000 10999 + 2 = 11001 10999+ 3 = 11002 2….
Ex- 1.1 1. Fill in the blanks: (a) 1 lakh = _______ ten thousand. (b) 1 million = _______ hundred thousand. (c) 1 crore = _______ ten lakhs. (d) 1 crore = _______ million. (e) 1 million…
Ex- 3.1 1. Write all the factors of the following numbers: (a) 24 (b) 15 (c) 21 (d) 27 (e) 12 (f) 20 (g) 18 (h) 23 (i) 36 Solution: (a) 1, 2, 3, 4, 6,…
EXERCISE 4.1 1. Use the figure to name: (a) Five points (b) A line (c) Four rays (d) Five line segments Solutions: (a) The five points are D, E, O, B and C (b) A line is (c)…
Exercise-5.1 1. What is the disadvantage in comparing line segments by mere observation? Solutions: By mere observation we can’t compare the line segments with slight difference in their length. We can’t say which line segment is of…
Integers Ex- 6.1 1. Write opposites of the following: (a) Increase in weight (b) 30 km north (c) 80 m east (d) Loss of Rs 700 (e) 100 m above sea level Solution: We use the concept…
EXERCISE 7.1 Solution: = 2/4 = 8/9 = 4/8 = 1/4 = 3/7 = 3/9 = 10/10 = 1 = 4/9 = 3/8 = 4/8 2. Color the part according to the given fraction. Solution: 3….
EXERCISE 8.1 Solution: Hundreds (100) Tens (10) Ones (1) Tenths (1/10) 0 3 1 2 1 1 0 4 2. Write the following decimals in the place value table. (a) 19.4 (b) 0.3 (c)…
EXERCISE 9.1 (a) Find how many students obtained marks equal to or more than 7. (b) How many students obtained marks below 4? Solution: (a) 12 (b) 8 2. Following is the choice of sweets of 30…
EXERCISE 10.1 1. Find the perimeter of each of the following figures: Solution: (a) Perimeter = sum of all sides = AB + BC + CD + AD = (4 + 2 + 1 + 5) cm…
EXERCISE 11.1 (a) A pattern of letter T as T (b) A pattern of letter Z as Z (c) A pattern of letter U as U (d) A pattern of letter V as V (e) A pattern…