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(a) 11 added to 2m

(b) 11 subtracted from 2m

(c) 5 times y to which 3 is added

(d) 5 times y from which 3 is subtracted

(e) y is multiplied by -8

(f) y is multiplied by -8 and then 5 is added to the result

(g) y is multiplied by 5 and the result is subtracted from 16

(h) y is multiplied by -5 and the result is added to 16.

Answer :

(a) 2m + 11

(b) 2m – 11

(e) 5y + 3

(d) 5y – 3

(e) -8y

(f) -8y+5

(g) 16 – 5y

(h) -5y + 16

- Q.1 Make up as many expressions with numbers (no variables) as you can from three numbers 5, 7 and 8. Every number should be used not more than once. Use only addition, subtraction and multiplication.
- Q.2 Which out of the following are expressions with numbers only? (a) y + 3 (b) (7 × 20) – 8z (c) 5 (21 – 7) + 7 × 2 (d) 5 (e) 3x (f) 5 – 5n (g) (7 × 20) – (5 × 10) – 45 + p
- Q.3 Identify the operations (addition, subtraction, division, multiplication) in forming the following expressions and tell how the expressions have been formed. (a) z + 1, z – 1, y + 17, y – 17 (b) 17y, \(\frac{y}{17} \) , 5z (c) 2y + 17, 2y – 17 (d) 7m, -7m + 3, -7m – 3
- Q.4 Give expressions for the following cases. (a) 7 added to p (b) 7 subtracted from p (c) p multiplied by 7 (d) p divided by 7 (e) 7 subtracted from –m (f) –p multiplied by 5 (g) –p divided by 5 (h) p multiplied by -5
- Q.6 (a) Form expressions using t and 4. Use not more than one number operation. Every expression must have t in it. (b) Form expressions using y, 2 and 7. Every expression must have y in it. Use only two number operations. These should be different.

- NCERT solutions for class 6 maths chapter 1 Knowing Our Numbers
- NCERT solutions for class 6 maths chapter 2 Whole Numbers
- NCERT solutions for class 6 maths chapter 3 Playing with Numbers
- NCERT solutions for class 6 maths chapter 4 Basic Geometrical Ideas
- NCERT solutions for class 6 maths chapter 5 Understanding Elementary Shapes
- NCERT solutions for class 6 maths chapter 6 Integers
- NCERT solutions for class 6 maths chapter 7 Fractions
- NCERT solutions for class 6 maths chapter 8 Decimals
- NCERT solutions for class 6 maths chapter 9 Data Handling
- NCERT solutions for class 6 maths chapter 10 Mensuration
- NCERT solutions for class 6 maths chapter 11 Algebra
- NCERT solutions for class 6 maths chapter 12 Ratio and Proportion
- NCERT solutions for class 6 maths chapter 13 Symmetry
- NCERT solutions for class 6 maths chapter 14 Practical Geometry

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