Write algebraic expressions using letters of your choice. (a) 5 more than a number. Class 7
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Write algebraic expressions using letters of your choice. (a) 5 more than a number. Class 7
Question 1.
Write algebraic expressions using letters of your choice. Class 7
(a) 5 more than a number
(b) 4 less than a number
(c) 2 less than 13 times a number
(d) 13 less than 2 times a number
Solution:
(a) x + 5,
(b) y - 4,
(c) 13x - 2,
(d) 2y - 13
Question 2.
Describe situations corresponding to the following algebraic expressions: Class 7
(a) 8 × x + 3 × y
Solution:
Sum of 8 times of a number and 3 times of another number.
(b) 15 × j - 2 × k
Solution:
Difference of 15 times of a number and 2 times of another number.
Question 3.
In a calendar month, if any 2 × 3 grid full of dates is chosen as shown in the picture, write expressions for the dates in the blank cells if the bottom middle cell has date 'w'. Class 7
Solution:
