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Algebriac Expressions : HW : Part 1

 1. Identify the monomials, binomials, trinomials and quadrinomials from the following - a 3 X 2    +  Y 2 a 3  + b 3  + c 3  - 3abc 2 8 + 4 ab + bc + cd 2x – 4y + 3 ax 3  + b 2 y + cz + 13 2.  What is the coefficient of x in the following: –21x –2xy xyc –14ax  3.  Write the coefficient of x 2  in the following: −13x 2 15x 2 yz 5/9x 2 z (-2/3) abx 2  + 2yx 4. Find out the numerical coefficient - xyz -62yz 17abc -12x 3 y 2 z 5. Evaluate the following: 2x + 17x -3xy + 12xy

Data Handling - Practice Set II - HW

 1. Students of Pro Mathematics  got below marks in 1st exam ( out of 100). 42, 71, 40, 40, 18 , 11 Find out below. a. Mean b. Mode c. Median 2.   The weights (in kg) of 15 students of a class are:  35, 37, 45, 50, 32, 43, 43, 40, 36, 38, 43, 38, 47,  38, 42 Find out below a. Range b. Mode c. Median 3. Tell whether below statement is true of false. a. Mode is always one of the numbers in the given data set. b. Median is always one of the numbers in the given data set. c. Mean is always one of the numbers in the given data set. 4.  Find out which is greater for below numbers 40, 30, 30, 20,  50,  60 Mode or median or mean

Data Handling - Practice Set - 1

1. Find the range of heights of students in your class  ( 120, 130, 127, 123, 114, 117, 130, 112, 105) 2. For the below numbers,  4, 8, 10, 12, 6 find out below a. Highest b. Lowest c. Range d. Arithmetic mean 3. Find out the difference between arithmetic mean of first 5 even numbers and average of first 5 odd numbers. 4. Virat Kohli scores below runs in world cup. 102, 11, 78, 91 ( not out ), 30, 0, 152 Find out average of Virat Kohli in world cup.

Exponents - HW

 1. Which is greater 3 4   or  4 3   3 7   or  7 3   5 2   or  (-5) 3 2.  Find the result of below 4 2   X  5 3              5 2   X  3            6   +  2 5              7    -   2 3              5 12   /   5 8 3.  Simplify and express each of the following in exponential form: (i) {(3 3 ) 4  × 3 8 } ÷ 3 12 (ii) (6 2  × 6 4 ) ÷ 6 3 (iii) (3 7 /3 2 ) × 5 3

Converting between fractions, decimals and percentages

1. Convert to fractions a. 0.12 b 1.44 c. 43% d. 85% 2. Convert to decimals a. 4/12 b. 4/8 c. 19% d. 28.5% e. 4/7 3. Convert to percentages a. 0.92 b. 0.33 c. 2/5 d. 6/15 4. Arrange them in ascending order 0.15    2/5    30% 5 . Sanskriti answered 15 out of 20 questions. While Vedanshi achieved 82% / Whose mark was higher.

DECIMALs : BASIC OPERATION : HW1

 1. Addition 23.4 + 3 =  4.11 + 41.2 =  32.99 + 21.01 =  12 + 2.55 = 13.3 + 6.77 =  2. Subtraction 4.7 - 2.3 = 3.8 - 1.44 =  7 - 2.65 = 82.85 - 51.6 = 77.38 - 23.14 = 3. Multiplication 2.5 * 2.1 =  3 * 23.3 = 5.5 * 3.12 = 2.45 * 3.3 = 12.24 * 0.25 = 

INTEGER - PRACTICE SET 1 - HW

 1. Comparison  5     or    4      15     or    24 -21     or    4 -22     or    -15 -9  or  0 0  or  1 2.  WRITE 4 INTEGERS BETWEEN 3 and 10 3.  WRITE 3 INTEGERS BETWEEN -15 and -6 4.  What should be added in 1234  to obtain 2100? How to make it 18 only? 5. Dhoni scores 53 runs in one match. He scores 4 and 15 in next two matches. How much has he scored in the tournament ( 3 matches ) so far? 6.  Write down the two pair of integers whose Sum is 10 Sum is 0 Difference is 5 Difference is -16 6.  What is the value of   ( − 21 ) − [ ( −1 3 ) − ( − 15 ) − ( −42 ) ] ( − 22 ) − [ ( − 23 ) − ( − 17 ) − ( − 61 ) ]