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Worksheet: Expressions using Letter-Numbers | Worksheets with solutions for Class 7 PDF Download

Worksheet: Expressions using Letter-Numbers | Worksheets with solutions for Class 7

Section A: Multiple-Choice Questions (MCQs)

Q1: One plate of dosa costs ₹50, and one plate of idlis costs ₹30. If x plates of dosa and y plates of idli are ordered, which expression represents the total amount earned in rupees?
a) 50x - 30y
b) 50x + 30y
c) (50 + 30) x (x + y)
d) 30x + 50y

Q2: A flour mill takes 12 seconds to start and 6 seconds per kg of grain to grind. Which expression describes the time to grind z kg of grain, starting from off?
a) 12 + 6 + z
b) 12 x 6 x z
c) 12 + 6 x z
d) (12 + 6) x z

Q3:  For a matchstick pattern, the number of matchsticks in step y is given by 4y + 1. How many matchsticks are needed for step 5?
a) 22
b) 21
c) 18
d) 28 

Q4: A shop rents out chairs and tables. The net cost for x chairs and y tables is 25x + 60y. What is the cost for 3 chairs and 2 tables?
a) 195
b) 206
c) 155
d) 135

Q5: In a quiz, Meera’s score in one round is 5p - 2q, where p is the points for a correct answer and q is the penalty. If p = 6 and q = 1, what is her score?
a) 29
b) 24
c) 28
d) 32

Section B: True or False


a) The terms 5xy and 2yx are like terms.

b) If 4, then the value of 5n3 is 17.

c) The expression 2y+7 has three terms:
2
, y, and 7.

d) (236.

Section C: Patterns Based Question

Q1: Matchsticks form squares: 1 square = 4 matchsticks, 2 squares = 7 matchsticks, 3 squares = 10 matchsticks. Find the rule for n squares. How many matchsticks are needed for 12 squares?

Worksheet: Expressions using Letter-Numbers | Worksheets with solutions for Class 7

Section D: Word Problems

Q1: Arjun is 6 years older than Bhavna. If Bhavna’s age is b years, write an expression for Arjun’s age and find Arjun’s age when Bhavna is 14 years old.

Q2Maya makes matchstick patterns with W’s, each requiring 5 matchsticks. Write an expression for the number of matchsticks needed for n W’s and calculate the number needed for 10 W’s.

Q3Rakesh buys oranges at ₹25 each and 1 kg of flour at ₹45. Write an expression for the total cost of o oranges and f kg of flour, and find the cost for 4 oranges and 3 kg of flour.

Q4: The perimeter of a regular pentagon is 5 times the side length. Write an expression for the perimeter if the side length is q cm, and find the perimeter when q = 6 cm.

Q5: In a quiz, Vikram’s scores in three rounds are 4p - 3q, 5p - 2q, and 3p - q, where p is points for a correct answer and q is the penalty. Find his total score expression and calculate it if p = 7 and q = 2.

For Worksheet Solutions, go to Worksheet Solutions: Expressions using Letter-Numbers

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FAQs on Worksheet: Expressions using Letter-Numbers - Worksheets with solutions for Class 7

1. What types of questions are included in the Expressions using Letter-Numbers worksheet for Class 7?
Ans. The worksheet includes multiple-choice questions (MCQs), true or false questions, pattern-based questions, and word problems, all centered around expressions using letters and numbers.
2. How can I effectively prepare for the Expressions using Letter-Numbers exam?
Ans. To prepare effectively, students should review their class notes, practice solving different types of questions from each section of the worksheet, and work on sample problems to improve their understanding of expressions involving letters and numbers.
3. Are there any specific strategies for solving word problems related to expressions?
Ans. Yes, students should first read the problem carefully to identify the key information, define variables for unknowns, set up an equation based on the information provided, and then solve for the variable step-by-step.
4. What is the significance of learning about expressions using letters and numbers in Class 7?
Ans. Learning about expressions enhances students' problem-solving skills, helps them understand algebraic concepts, and prepares them for more advanced math topics in higher grades, fostering critical thinking and analytical skills.
5. Can I find additional resources or practice questions for Expressions using Letter-Numbers beyond the worksheet?
Ans. Yes, students can find additional resources online, including educational websites, math apps, and practice books that focus on expressions and algebra for Class 7, which can provide further exercises and explanations.
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